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Finding the Fourth Proportional to 477,458.01, 716,187.20 and 122,472

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Solution

The fourth proportional to 477,458.01, 716,187.20 and 122,472 is: 183,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,458.01 : 716,187.20 = 122,472 : x
  2. Step 2: Convert to fraction form
    477,458.01/716,187.20 = 122,472/x
  3. Step 3: Cross multiply
    477,458.01x = 716,187.20 × 122,472
  4. Step 4: Simplify right side
    477,458.01x = 87,712,878,146.04
  5. Step 5: Solve for x
    x = 87,712,878,146.04/477,458.01
  6. Step 6: Final answer
    x = 183,708.05

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