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Finding the Fourth Proportional to 52,656.72, 78,989.92 and 15,216.32

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Solution

The fourth proportional to 52,656.72, 78,989.92 and 15,216.32 is: 22,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.72 : 78,989.92 = 15,216.32 : x
  2. Step 2: Convert to fraction form
    52,656.72/78,989.92 = 15,216.32/x
  3. Step 3: Cross multiply
    52,656.72x = 78,989.92 × 15,216.32
  4. Step 4: Simplify right side
    52,656.72x = 1,201,935,899.49
  5. Step 5: Solve for x
    x = 1,201,935,899.49/52,656.72
  6. Step 6: Final answer
    x = 22,825.88

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