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Finding the Fourth Proportional to 123,381.48, 170,266.41 and 66,792.81

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Solution

The fourth proportional to 123,381.48, 170,266.41 and 66,792.81 is: 92,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,381.48 : 170,266.41 = 66,792.81 : x
  2. Step 2: Convert to fraction form
    123,381.48/170,266.41 = 66,792.81/x
  3. Step 3: Cross multiply
    123,381.48x = 170,266.41 × 66,792.81
  4. Step 4: Simplify right side
    123,381.48x = 11,372,571,972.51
  5. Step 5: Solve for x
    x = 11,372,571,972.51/123,381.48
  6. Step 6: Final answer
    x = 92,174.06

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