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Finding the Fourth Proportional to 199,430.24, 299,057.72 and 74,683.76

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Solution

The fourth proportional to 199,430.24, 299,057.72 and 74,683.76 is: 111,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,430.24 : 299,057.72 = 74,683.76 : x
  2. Step 2: Convert to fraction form
    199,430.24/299,057.72 = 74,683.76/x
  3. Step 3: Cross multiply
    199,430.24x = 299,057.72 × 74,683.76
  4. Step 4: Simplify right side
    199,430.24x = 22,334,754,986.63
  5. Step 5: Solve for x
    x = 22,334,754,986.63/199,430.24
  6. Step 6: Final answer
    x = 111,992.82

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