Finding the Fourth Proportional to 22,565.70, 31,141.82 and 12,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565.70 : 31,141.82 = 12,495.25 : x
2. Step 2: Convert to fraction form
   22,565.70/31,141.82 = 12,495.25/x
3. Step 3: Cross multiply
   22,565.70x = 31,141.82 × 12,495.25
4. Step 4: Simplify right side
   22,565.70x = 389,124,826.36
5. Step 5: Solve for x
   x = 389,124,826.36/22,565.70
6. Step 6: Final answer
   x = 17,244.08