Finding the Fourth Proportional to 31,503.11, 43,471.71 and 17,355.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,503.11 : 43,471.71 = 17,355.95 : x
2. Step 2: Convert to fraction form
   31,503.11/43,471.71 = 17,355.95/x
3. Step 3: Cross multiply
   31,503.11x = 43,471.71 × 17,355.95
4. Step 4: Simplify right side
   31,503.11x = 754,492,607.82
5. Step 5: Solve for x
   x = 754,492,607.82/31,503.11
6. Step 6: Final answer
   x = 23,949.79