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Finding the Fourth Proportional to 71,482.10, 107,224.05 and 18,891.12

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Solution

The fourth proportional to 71,482.10, 107,224.05 and 18,891.12 is: 28,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,482.10 : 107,224.05 = 18,891.12 : x
  2. Step 2: Convert to fraction form
    71,482.10/107,224.05 = 18,891.12/x
  3. Step 3: Cross multiply
    71,482.10x = 107,224.05 × 18,891.12
  4. Step 4: Simplify right side
    71,482.10x = 2,025,582,868.37
  5. Step 5: Solve for x
    x = 2,025,582,868.37/71,482.10
  6. Step 6: Final answer
    x = 28,336.93

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