Finding the Fourth Proportional to 31,305.96, 43,201.76 and 17,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,305.96 : 43,201.76 = 17,158.82 : x
2. Step 2: Convert to fraction form
   31,305.96/43,201.76 = 17,158.82/x
3. Step 3: Cross multiply
   31,305.96x = 43,201.76 × 17,158.82
4. Step 4: Simplify right side
   31,305.96x = 741,290,921.72
5. Step 5: Solve for x
   x = 741,290,921.72/31,305.96
6. Step 6: Final answer
   x = 23,678.91