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Finding the Fourth Proportional to 28,754.88, 43,115.68 and 13,164.16

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Solution

The fourth proportional to 28,754.88, 43,115.68 and 13,164.16 is: 19,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.88 : 43,115.68 = 13,164.16 : x
  2. Step 2: Convert to fraction form
    28,754.88/43,115.68 = 13,164.16/x
  3. Step 3: Cross multiply
    28,754.88x = 43,115.68 × 13,164.16
  4. Step 4: Simplify right side
    28,754.88x = 567,581,710.03
  5. Step 5: Solve for x
    x = 567,581,710.03/28,754.88
  6. Step 6: Final answer
    x = 19,738.62

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