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Finding the Fourth Proportional to 53,845.20, 80,854.20 and 36,392.40

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Solution

The fourth proportional to 53,845.20, 80,854.20 and 36,392.40 is: 54,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.20 : 80,854.20 = 36,392.40 : x
  2. Step 2: Convert to fraction form
    53,845.20/80,854.20 = 36,392.40/x
  3. Step 3: Cross multiply
    53,845.20x = 80,854.20 × 36,392.40
  4. Step 4: Simplify right side
    53,845.20x = 2,942,478,388.08
  5. Step 5: Solve for x
    x = 2,942,478,388.08/53,845.20
  6. Step 6: Final answer
    x = 54,647.00

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