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Finding the Fourth Proportional to 67,058.20, 100,600.80 and 19,673.20

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Solution

The fourth proportional to 67,058.20, 100,600.80 and 19,673.20 is: 29,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,058.20 : 100,600.80 = 19,673.20 : x
  2. Step 2: Convert to fraction form
    67,058.20/100,600.80 = 19,673.20/x
  3. Step 3: Cross multiply
    67,058.20x = 100,600.80 × 19,673.20
  4. Step 4: Simplify right side
    67,058.20x = 1,979,139,658.56
  5. Step 5: Solve for x
    x = 1,979,139,658.56/67,058.20
  6. Step 6: Final answer
    x = 29,513.76

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