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Finding the Fourth Proportional to 322,692.64, 484,062.08 and 86,034.08

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Solution

The fourth proportional to 322,692.64, 484,062.08 and 86,034.08 is: 129,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,692.64 : 484,062.08 = 86,034.08 : x
  2. Step 2: Convert to fraction form
    322,692.64/484,062.08 = 86,034.08/x
  3. Step 3: Cross multiply
    322,692.64x = 484,062.08 × 86,034.08
  4. Step 4: Simplify right side
    322,692.64x = 41,645,835,715.69
  5. Step 5: Solve for x
    x = 41,645,835,715.69/322,692.64
  6. Step 6: Final answer
    x = 129,057.28

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