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Finding the Fourth Proportional to 45,193.80, 67,784.91 and 11,916.48

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Solution

The fourth proportional to 45,193.80, 67,784.91 and 11,916.48 is: 17,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.80 : 67,784.91 = 11,916.48 : x
  2. Step 2: Convert to fraction form
    45,193.80/67,784.91 = 11,916.48/x
  3. Step 3: Cross multiply
    45,193.80x = 67,784.91 × 11,916.48
  4. Step 4: Simplify right side
    45,193.80x = 807,757,524.32
  5. Step 5: Solve for x
    x = 807,757,524.32/45,193.80
  6. Step 6: Final answer
    x = 17,873.19

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