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Finding the Fourth Proportional to 75,301.72, 112,950.66 and 19,898.20

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Solution

The fourth proportional to 75,301.72, 112,950.66 and 19,898.20 is: 29,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,301.72 : 112,950.66 = 19,898.20 : x
  2. Step 2: Convert to fraction form
    75,301.72/112,950.66 = 19,898.20/x
  3. Step 3: Cross multiply
    75,301.72x = 112,950.66 × 19,898.20
  4. Step 4: Simplify right side
    75,301.72x = 2,247,514,822.81
  5. Step 5: Solve for x
    x = 2,247,514,822.81/75,301.72
  6. Step 6: Final answer
    x = 29,846.79

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