Finding the Fourth Proportional to 31,455.59, 43,409.59 and 17,116.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,455.59 : 43,409.59 = 17,116.29 : x
2. Step 2: Convert to fraction form
   31,455.59/43,409.59 = 17,116.29/x
3. Step 3: Cross multiply
   31,455.59x = 43,409.59 × 17,116.29
4. Step 4: Simplify right side
   31,455.59x = 743,011,088.43
5. Step 5: Solve for x
   x = 743,011,088.43/31,455.59
6. Step 6: Final answer
   x = 23,620.96