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Finding the Fourth Proportional to 377,591.28, 521,065.08 and 207,821.76

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Solution

The fourth proportional to 377,591.28, 521,065.08 and 207,821.76 is: 286,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,591.28 : 521,065.08 = 207,821.76 : x
  2. Step 2: Convert to fraction form
    377,591.28/521,065.08 = 207,821.76/x
  3. Step 3: Cross multiply
    377,591.28x = 521,065.08 × 207,821.76
  4. Step 4: Simplify right side
    377,591.28x = 108,288,662,000.14
  5. Step 5: Solve for x
    x = 108,288,662,000.14/377,591.28
  6. Step 6: Final answer
    x = 286,788.04

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