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Finding the Fourth Proportional to 44,138.72, 66,170.76 and 19,159.88

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Solution

The fourth proportional to 44,138.72, 66,170.76 and 19,159.88 is: 28,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.72 : 66,170.76 = 19,159.88 : x
  2. Step 2: Convert to fraction form
    44,138.72/66,170.76 = 19,159.88/x
  3. Step 3: Cross multiply
    44,138.72x = 66,170.76 × 19,159.88
  4. Step 4: Simplify right side
    44,138.72x = 1,267,823,821.11
  5. Step 5: Solve for x
    x = 1,267,823,821.11/44,138.72
  6. Step 6: Final answer
    x = 28,723.62

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