Finding the Fourth Proportional to 31,288.92, 43,168.16 and 17,850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.92 : 43,168.16 = 17,850.72 : x
2. Step 2: Convert to fraction form
   31,288.92/43,168.16 = 17,850.72/x
3. Step 3: Cross multiply
   31,288.92x = 43,168.16 × 17,850.72
4. Step 4: Simplify right side
   31,288.92x = 770,582,647.82
5. Step 5: Solve for x
   x = 770,582,647.82/31,288.92
6. Step 6: Final answer
   x = 24,627.97