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Finding the Fourth Proportional to 55,432.80, 83,149.20 and 37,718.10

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Solution

The fourth proportional to 55,432.80, 83,149.20 and 37,718.10 is: 56,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.80 : 83,149.20 = 37,718.10 : x
  2. Step 2: Convert to fraction form
    55,432.80/83,149.20 = 37,718.10/x
  3. Step 3: Cross multiply
    55,432.80x = 83,149.20 × 37,718.10
  4. Step 4: Simplify right side
    55,432.80x = 3,136,229,840.52
  5. Step 5: Solve for x
    x = 3,136,229,840.52/55,432.80
  6. Step 6: Final answer
    x = 56,577.15

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