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Finding the Fourth Proportional to 359,617.20, 539,425.80 and 122,924.40

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Solution

The fourth proportional to 359,617.20, 539,425.80 and 122,924.40 is: 184,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,617.20 : 539,425.80 = 122,924.40 : x
  2. Step 2: Convert to fraction form
    359,617.20/539,425.80 = 122,924.40/x
  3. Step 3: Cross multiply
    359,617.20x = 539,425.80 × 122,924.40
  4. Step 4: Simplify right side
    359,617.20x = 66,308,592,809.52
  5. Step 5: Solve for x
    x = 66,308,592,809.52/359,617.20
  6. Step 6: Final answer
    x = 184,386.60

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