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Finding the Fourth Proportional to 15,581.82, 23,353.28 and 7,792.86

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Solution

The fourth proportional to 15,581.82, 23,353.28 and 7,792.86 is: 11,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.82 : 23,353.28 = 7,792.86 : x
  2. Step 2: Convert to fraction form
    15,581.82/23,353.28 = 7,792.86/x
  3. Step 3: Cross multiply
    15,581.82x = 23,353.28 × 7,792.86
  4. Step 4: Simplify right side
    15,581.82x = 181,988,841.58
  5. Step 5: Solve for x
    x = 181,988,841.58/15,581.82
  6. Step 6: Final answer
    x = 11,679.56

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