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Finding the Fourth Proportional to 377,555.80, 566,333.70 and 128,237.80

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Solution

The fourth proportional to 377,555.80, 566,333.70 and 128,237.80 is: 192,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,555.80 : 566,333.70 = 128,237.80 : x
  2. Step 2: Convert to fraction form
    377,555.80/566,333.70 = 128,237.80/x
  3. Step 3: Cross multiply
    377,555.80x = 566,333.70 × 128,237.80
  4. Step 4: Simplify right side
    377,555.80x = 72,625,387,753.86
  5. Step 5: Solve for x
    x = 72,625,387,753.86/377,555.80
  6. Step 6: Final answer
    x = 192,356.70

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