Finding the Fourth Proportional to 31,491.18, 47,134.71 and 23,169.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491.18 : 47,134.71 = 23,169.42 : x
2. Step 2: Convert to fraction form
   31,491.18/47,134.71 = 23,169.42/x
3. Step 3: Cross multiply
   31,491.18x = 47,134.71 × 23,169.42
4. Step 4: Simplify right side
   31,491.18x = 1,092,083,892.57
5. Step 5: Solve for x
   x = 1,092,083,892.57/31,491.18
6. Step 6: Final answer
   x = 34,679.04