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Finding the Fourth Proportional to 45,195.20, 67,792.80 and 12,363.20

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Solution

The fourth proportional to 45,195.20, 67,792.80 and 12,363.20 is: 18,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,195.20 : 67,792.80 = 12,363.20 : x
  2. Step 2: Convert to fraction form
    45,195.20/67,792.80 = 12,363.20/x
  3. Step 3: Cross multiply
    45,195.20x = 67,792.80 × 12,363.20
  4. Step 4: Simplify right side
    45,195.20x = 838,135,944.96
  5. Step 5: Solve for x
    x = 838,135,944.96/45,195.20
  6. Step 6: Final answer
    x = 18,544.80

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