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Finding the Fourth Proportional to 72,366.40, 108,549.60 and 63,618.40

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Solution

The fourth proportional to 72,366.40, 108,549.60 and 63,618.40 is: 95,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.40 : 108,549.60 = 63,618.40 : x
  2. Step 2: Convert to fraction form
    72,366.40/108,549.60 = 63,618.40/x
  3. Step 3: Cross multiply
    72,366.40x = 108,549.60 × 63,618.40
  4. Step 4: Simplify right side
    72,366.40x = 6,905,751,872.64
  5. Step 5: Solve for x
    x = 6,905,751,872.64/72,366.40
  6. Step 6: Final answer
    x = 95,427.60

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