Finding the Fourth Proportional to 31,146.50, 42,983.17 and 17,717.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,146.50 : 42,983.17 = 17,717.41 : x
2. Step 2: Convert to fraction form
   31,146.50/42,983.17 = 17,717.41/x
3. Step 3: Cross multiply
   31,146.50x = 42,983.17 × 17,717.41
4. Step 4: Simplify right side
   31,146.50x = 761,550,445.99
5. Step 5: Solve for x
   x = 761,550,445.99/31,146.50
6. Step 6: Final answer
   x = 24,450.59