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Finding the Fourth Proportional to 57,409.74, 86,102.29 and 17,961.72

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Solution

The fourth proportional to 57,409.74, 86,102.29 and 17,961.72 is: 26,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.74 : 86,102.29 = 17,961.72 : x
  2. Step 2: Convert to fraction form
    57,409.74/86,102.29 = 17,961.72/x
  3. Step 3: Cross multiply
    57,409.74x = 86,102.29 × 17,961.72
  4. Step 4: Simplify right side
    57,409.74x = 1,546,545,224.34
  5. Step 5: Solve for x
    x = 1,546,545,224.34/57,409.74
  6. Step 6: Final answer
    x = 26,938.73

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