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Finding the Fourth Proportional to 392,913.24, 542,223.90 and 214,065.24

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Solution

The fourth proportional to 392,913.24, 542,223.90 and 214,065.24 is: 295,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,913.24 : 542,223.90 = 214,065.24 : x
  2. Step 2: Convert to fraction form
    392,913.24/542,223.90 = 214,065.24/x
  3. Step 3: Cross multiply
    392,913.24x = 542,223.90 × 214,065.24
  4. Step 4: Simplify right side
    392,913.24x = 116,071,289,287.24
  5. Step 5: Solve for x
    x = 116,071,289,287.24/392,913.24
  6. Step 6: Final answer
    x = 295,412.01

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