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Finding the Fourth Proportional to 67,056.53, 100,603.64 and 19,672.75

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Solution

The fourth proportional to 67,056.53, 100,603.64 and 19,672.75 is: 29,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,056.53 : 100,603.64 = 19,672.75 : x
  2. Step 2: Convert to fraction form
    67,056.53/100,603.64 = 19,672.75/x
  3. Step 3: Cross multiply
    67,056.53x = 100,603.64 × 19,672.75
  4. Step 4: Simplify right side
    67,056.53x = 1,979,150,160.45
  5. Step 5: Solve for x
    x = 1,979,150,160.45/67,056.53
  6. Step 6: Final answer
    x = 29,514.65

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