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Finding the Fourth Proportional to 18,770.73, 25,848.48 and 16,780.56

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Solution

The fourth proportional to 18,770.73, 25,848.48 and 16,780.56 is: 23,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.73 : 25,848.48 = 16,780.56 : x
  2. Step 2: Convert to fraction form
    18,770.73/25,848.48 = 16,780.56/x
  3. Step 3: Cross multiply
    18,770.73x = 25,848.48 × 16,780.56
  4. Step 4: Simplify right side
    18,770.73x = 433,751,969.55
  5. Step 5: Solve for x
    x = 433,751,969.55/18,770.73
  6. Step 6: Final answer
    x = 23,107.89

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