Finding the Fourth Proportional to 31,456.08, 43,411.32 and 17,312.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.08 : 43,411.32 = 17,312.04 : x
2. Step 2: Convert to fraction form
   31,456.08/43,411.32 = 17,312.04/x
3. Step 3: Cross multiply
   31,456.08x = 43,411.32 × 17,312.04
4. Step 4: Simplify right side
   31,456.08x = 751,538,508.29
5. Step 5: Solve for x
   x = 751,538,508.29/31,456.08
6. Step 6: Final answer
   x = 23,891.68