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Finding the Fourth Proportional to 28,423.97, 42,617.73 and 11,795.48

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Solution

The fourth proportional to 28,423.97, 42,617.73 and 11,795.48 is: 17,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.97 : 42,617.73 = 11,795.48 : x
  2. Step 2: Convert to fraction form
    28,423.97/42,617.73 = 11,795.48/x
  3. Step 3: Cross multiply
    28,423.97x = 42,617.73 × 11,795.48
  4. Step 4: Simplify right side
    28,423.97x = 502,696,581.86
  5. Step 5: Solve for x
    x = 502,696,581.86/28,423.97
  6. Step 6: Final answer
    x = 17,685.66

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