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Finding the Fourth Proportional to 78,715.94, 118,046.57 and 26,113.13

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Solution

The fourth proportional to 78,715.94, 118,046.57 and 26,113.13 is: 39,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,715.94 : 118,046.57 = 26,113.13 : x
  2. Step 2: Convert to fraction form
    78,715.94/118,046.57 = 26,113.13/x
  3. Step 3: Cross multiply
    78,715.94x = 118,046.57 × 26,113.13
  4. Step 4: Simplify right side
    78,715.94x = 3,082,564,903.51
  5. Step 5: Solve for x
    x = 3,082,564,903.51/78,715.94
  6. Step 6: Final answer
    x = 39,160.62

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