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Finding the Fourth Proportional to 72,539.72, 108,810.18 and 19,952.08

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Solution

The fourth proportional to 72,539.72, 108,810.18 and 19,952.08 is: 29,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539.72 : 108,810.18 = 19,952.08 : x
  2. Step 2: Convert to fraction form
    72,539.72/108,810.18 = 19,952.08/x
  3. Step 3: Cross multiply
    72,539.72x = 108,810.18 × 19,952.08
  4. Step 4: Simplify right side
    72,539.72x = 2,170,989,416.17
  5. Step 5: Solve for x
    x = 2,170,989,416.17/72,539.72
  6. Step 6: Final answer
    x = 29,928.29

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