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Finding the Fourth Proportional to 60,545.10, 90,829.80 and 18,427.80

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Solution

The fourth proportional to 60,545.10, 90,829.80 and 18,427.80 is: 27,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,545.10 : 90,829.80 = 18,427.80 : x
  2. Step 2: Convert to fraction form
    60,545.10/90,829.80 = 18,427.80/x
  3. Step 3: Cross multiply
    60,545.10x = 90,829.80 × 18,427.80
  4. Step 4: Simplify right side
    60,545.10x = 1,673,793,388.44
  5. Step 5: Solve for x
    x = 1,673,793,388.44/60,545.10
  6. Step 6: Final answer
    x = 27,645.40

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