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Finding the Fourth Proportional to 47,165.42, 70,723.78 and 13,881.17

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Solution

The fourth proportional to 47,165.42, 70,723.78 and 13,881.17 is: 20,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.42 : 70,723.78 = 13,881.17 : x
  2. Step 2: Convert to fraction form
    47,165.42/70,723.78 = 13,881.17/x
  3. Step 3: Cross multiply
    47,165.42x = 70,723.78 × 13,881.17
  4. Step 4: Simplify right side
    47,165.42x = 981,728,813.22
  5. Step 5: Solve for x
    x = 981,728,813.22/47,165.42
  6. Step 6: Final answer
    x = 20,814.59

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