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Finding the Fourth Proportional to 54,363.72, 81,536.80 and 14,911.60

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Solution

The fourth proportional to 54,363.72, 81,536.80 and 14,911.60 is: 22,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.72 : 81,536.80 = 14,911.60 : x
  2. Step 2: Convert to fraction form
    54,363.72/81,536.80 = 14,911.60/x
  3. Step 3: Cross multiply
    54,363.72x = 81,536.80 × 14,911.60
  4. Step 4: Simplify right side
    54,363.72x = 1,215,844,146.88
  5. Step 5: Solve for x
    x = 1,215,844,146.88/54,363.72
  6. Step 6: Final answer
    x = 22,364.99

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