Finding the Fourth Proportional to 31,240.24, 43,111.12 and 17,092.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,240.24 : 43,111.12 = 17,092.88 : x
2. Step 2: Convert to fraction form
   31,240.24/43,111.12 = 17,092.88/x
3. Step 3: Cross multiply
   31,240.24x = 43,111.12 × 17,092.88
4. Step 4: Simplify right side
   31,240.24x = 736,893,200.83
5. Step 5: Solve for x
   x = 736,893,200.83/31,240.24
6. Step 6: Final answer
   x = 23,587.95