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Finding the Fourth Proportional to 372,129.80, 558,194.70 and 368,630.60

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Solution

The fourth proportional to 372,129.80, 558,194.70 and 368,630.60 is: 552,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,129.80 : 558,194.70 = 368,630.60 : x
  2. Step 2: Convert to fraction form
    372,129.80/558,194.70 = 368,630.60/x
  3. Step 3: Cross multiply
    372,129.80x = 558,194.70 × 368,630.60
  4. Step 4: Simplify right side
    372,129.80x = 205,767,647,177.82
  5. Step 5: Solve for x
    x = 205,767,647,177.82/372,129.80
  6. Step 6: Final answer
    x = 552,945.90

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