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Finding the Fourth Proportional to 636,306.54, 955,151.43 and 257,488.05

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Solution

The fourth proportional to 636,306.54, 955,151.43 and 257,488.05 is: 386,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,306.54 : 955,151.43 = 257,488.05 : x
  2. Step 2: Convert to fraction form
    636,306.54/955,151.43 = 257,488.05/x
  3. Step 3: Cross multiply
    636,306.54x = 955,151.43 × 257,488.05
  4. Step 4: Simplify right side
    636,306.54x = 245,940,079,165.41
  5. Step 5: Solve for x
    x = 245,940,079,165.41/636,306.54
  6. Step 6: Final answer
    x = 386,511.95

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