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Finding the Fourth Proportional to 18,742.99, 28,115.84 and 5,595.48

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Solution

The fourth proportional to 18,742.99, 28,115.84 and 5,595.48 is: 8,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.99 : 28,115.84 = 5,595.48 : x
  2. Step 2: Convert to fraction form
    18,742.99/28,115.84 = 5,595.48/x
  3. Step 3: Cross multiply
    18,742.99x = 28,115.84 × 5,595.48
  4. Step 4: Simplify right side
    18,742.99x = 157,321,620.40
  5. Step 5: Solve for x
    x = 157,321,620.40/18,742.99
  6. Step 6: Final answer
    x = 8,393.62

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