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Finding the Fourth Proportional to 99,726.60, 137,627.10 and 57,298.44

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Solution

The fourth proportional to 99,726.60, 137,627.10 and 57,298.44 is: 79,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,726.60 : 137,627.10 = 57,298.44 : x
  2. Step 2: Convert to fraction form
    99,726.60/137,627.10 = 57,298.44/x
  3. Step 3: Cross multiply
    99,726.60x = 137,627.10 × 57,298.44
  4. Step 4: Simplify right side
    99,726.60x = 7,885,818,131.72
  5. Step 5: Solve for x
    x = 7,885,818,131.72/99,726.60
  6. Step 6: Final answer
    x = 79,074.37

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