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Finding the Fourth Proportional to 472,842.60, 709,328.70 and 157,266.60

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Solution

The fourth proportional to 472,842.60, 709,328.70 and 157,266.60 is: 235,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,842.60 : 709,328.70 = 157,266.60 : x
  2. Step 2: Convert to fraction form
    472,842.60/709,328.70 = 157,266.60/x
  3. Step 3: Cross multiply
    472,842.60x = 709,328.70 × 157,266.60
  4. Step 4: Simplify right side
    472,842.60x = 111,553,712,931.42
  5. Step 5: Solve for x
    x = 111,553,712,931.42/472,842.60
  6. Step 6: Final answer
    x = 235,921.45

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