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Finding the Fourth Proportional to 15,282.05, 22,938.53 and 7,891.79

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Solution

The fourth proportional to 15,282.05, 22,938.53 and 7,891.79 is: 11,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.05 : 22,938.53 = 7,891.79 : x
  2. Step 2: Convert to fraction form
    15,282.05/22,938.53 = 7,891.79/x
  3. Step 3: Cross multiply
    15,282.05x = 22,938.53 × 7,891.79
  4. Step 4: Simplify right side
    15,282.05x = 181,025,907.52
  5. Step 5: Solve for x
    x = 181,025,907.52/15,282.05
  6. Step 6: Final answer
    x = 11,845.66

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