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Finding the Fourth Proportional to 83,799.28, 115,642.65 and 46,072.72

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Solution

The fourth proportional to 83,799.28, 115,642.65 and 46,072.72 is: 63,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.28 : 115,642.65 = 46,072.72 : x
  2. Step 2: Convert to fraction form
    83,799.28/115,642.65 = 46,072.72/x
  3. Step 3: Cross multiply
    83,799.28x = 115,642.65 × 46,072.72
  4. Step 4: Simplify right side
    83,799.28x = 5,327,971,433.51
  5. Step 5: Solve for x
    x = 5,327,971,433.51/83,799.28
  6. Step 6: Final answer
    x = 63,580.16

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