Finding the Fourth Proportional to 31,910.57, 44,033.41 and 18,486.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,910.57 : 44,033.41 = 18,486.15 : x
2. Step 2: Convert to fraction form
   31,910.57/44,033.41 = 18,486.15/x
3. Step 3: Cross multiply
   31,910.57x = 44,033.41 × 18,486.15
4. Step 4: Simplify right side
   31,910.57x = 814,008,222.27
5. Step 5: Solve for x
   x = 814,008,222.27/31,910.57
6. Step 6: Final answer
   x = 25,509.05