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Finding the Fourth Proportional to 371,545.20, 557,208.45 and 105,328.98

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Solution

The fourth proportional to 371,545.20, 557,208.45 and 105,328.98 is: 157,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,545.20 : 557,208.45 = 105,328.98 : x
  2. Step 2: Convert to fraction form
    371,545.20/557,208.45 = 105,328.98/x
  3. Step 3: Cross multiply
    371,545.20x = 557,208.45 × 105,328.98
  4. Step 4: Simplify right side
    371,545.20x = 58,690,197,685.88
  5. Step 5: Solve for x
    x = 58,690,197,685.88/371,545.20
  6. Step 6: Final answer
    x = 157,962.47

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