Finding the Fourth Proportional to 31,416.89, 43,354.20 and 17,269.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,416.89 : 43,354.20 = 17,269.63 : x
2. Step 2: Convert to fraction form
   31,416.89/43,354.20 = 17,269.63/x
3. Step 3: Cross multiply
   31,416.89x = 43,354.20 × 17,269.63
4. Step 4: Simplify right side
   31,416.89x = 748,710,949.32
5. Step 5: Solve for x
   x = 748,710,949.32/31,416.89
6. Step 6: Final answer
   x = 23,831.48