Finding the Fourth Proportional to 31,233.18, 43,101.24 and 17,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,233.18 : 43,101.24 = 17,085.72 : x
2. Step 2: Convert to fraction form
   31,233.18/43,101.24 = 17,085.72/x
3. Step 3: Cross multiply
   31,233.18x = 43,101.24 × 17,085.72
4. Step 4: Simplify right side
   31,233.18x = 736,415,718.29
5. Step 5: Solve for x
   x = 736,415,718.29/31,233.18
6. Step 6: Final answer
   x = 23,577.99