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Finding the Fourth Proportional to 284,709.28, 392,883.46 and 157,377.28

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Solution

The fourth proportional to 284,709.28, 392,883.46 and 157,377.28 is: 217,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,709.28 : 392,883.46 = 157,377.28 : x
  2. Step 2: Convert to fraction form
    284,709.28/392,883.46 = 157,377.28/x
  3. Step 3: Cross multiply
    284,709.28x = 392,883.46 × 157,377.28
  4. Step 4: Simplify right side
    284,709.28x = 61,830,930,291.79
  5. Step 5: Solve for x
    x = 61,830,930,291.79/284,709.28
  6. Step 6: Final answer
    x = 217,172.16

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