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Finding the Fourth Proportional to 555,330.20, 832,908.90 and 155,931.80

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Solution

The fourth proportional to 555,330.20, 832,908.90 and 155,931.80 is: 233,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,330.20 : 832,908.90 = 155,931.80 : x
  2. Step 2: Convert to fraction form
    555,330.20/832,908.90 = 155,931.80/x
  3. Step 3: Cross multiply
    555,330.20x = 832,908.90 × 155,931.80
  4. Step 4: Simplify right side
    555,330.20x = 129,876,984,013.02
  5. Step 5: Solve for x
    x = 129,876,984,013.02/555,330.20
  6. Step 6: Final answer
    x = 233,873.44

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