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Finding the Fourth Proportional to 112,459.17, 168,716.43 and 79,244.11

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Solution

The fourth proportional to 112,459.17, 168,716.43 and 79,244.11 is: 118,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.17 : 168,716.43 = 79,244.11 : x
  2. Step 2: Convert to fraction form
    112,459.17/168,716.43 = 79,244.11/x
  3. Step 3: Cross multiply
    112,459.17x = 168,716.43 × 79,244.11
  4. Step 4: Simplify right side
    112,459.17x = 13,369,782,915.94
  5. Step 5: Solve for x
    x = 13,369,782,915.94/112,459.17
  6. Step 6: Final answer
    x = 118,885.66

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