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Finding the Fourth Proportional to 372,132.40, 558,198.60 and 266,724.40

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Solution

The fourth proportional to 372,132.40, 558,198.60 and 266,724.40 is: 400,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,132.40 : 558,198.60 = 266,724.40 : x
  2. Step 2: Convert to fraction form
    372,132.40/558,198.60 = 266,724.40/x
  3. Step 3: Cross multiply
    372,132.40x = 558,198.60 × 266,724.40
  4. Step 4: Simplify right side
    372,132.40x = 148,885,186,665.84
  5. Step 5: Solve for x
    x = 148,885,186,665.84/372,132.40
  6. Step 6: Final answer
    x = 400,086.60

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