Finding the Fourth Proportional to 31,008.96, 42,792.72 and 17,583.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,008.96 : 42,792.72 = 17,583.12 : x
2. Step 2: Convert to fraction form
   31,008.96/42,792.72 = 17,583.12/x
3. Step 3: Cross multiply
   31,008.96x = 42,792.72 × 17,583.12
4. Step 4: Simplify right side
   31,008.96x = 752,429,530.89
5. Step 5: Solve for x
   x = 752,429,530.89/31,008.96
6. Step 6: Final answer
   x = 24,264.91