Finding the Fourth Proportional to 31,542.16, 43,526.72 and 18,103.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,542.16 : 43,526.72 = 18,103.96 : x
2. Step 2: Convert to fraction form
   31,542.16/43,526.72 = 18,103.96/x
3. Step 3: Cross multiply
   31,542.16x = 43,526.72 × 18,103.96
4. Step 4: Simplify right side
   31,542.16x = 788,005,689.66
5. Step 5: Solve for x
   x = 788,005,689.66/31,542.16
6. Step 6: Final answer
   x = 24,982.62