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Finding the Fourth Proportional to 45,405.06, 68,115.84 and 18,751.02

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Solution

The fourth proportional to 45,405.06, 68,115.84 and 18,751.02 is: 28,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,405.06 : 68,115.84 = 18,751.02 : x
  2. Step 2: Convert to fraction form
    45,405.06/68,115.84 = 18,751.02/x
  3. Step 3: Cross multiply
    45,405.06x = 68,115.84 × 18,751.02
  4. Step 4: Simplify right side
    45,405.06x = 1,277,241,478.16
  5. Step 5: Solve for x
    x = 1,277,241,478.16/45,405.06
  6. Step 6: Final answer
    x = 28,129.94

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