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Finding the Fourth Proportional to 539,764.10, 809,646.15 and 165,787.10

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Solution

The fourth proportional to 539,764.10, 809,646.15 and 165,787.10 is: 248,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,764.10 : 809,646.15 = 165,787.10 : x
  2. Step 2: Convert to fraction form
    539,764.10/809,646.15 = 165,787.10/x
  3. Step 3: Cross multiply
    539,764.10x = 809,646.15 × 165,787.10
  4. Step 4: Simplify right side
    539,764.10x = 134,228,887,234.67
  5. Step 5: Solve for x
    x = 134,228,887,234.67/539,764.10
  6. Step 6: Final answer
    x = 248,680.65

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