Finding the Fourth Proportional to 22,561.32, 31,134.66 and 12,625.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,561.32 : 31,134.66 = 12,625.32 : x
2. Step 2: Convert to fraction form
   22,561.32/31,134.66 = 12,625.32/x
3. Step 3: Cross multiply
   22,561.32x = 31,134.66 × 12,625.32
4. Step 4: Simplify right side
   22,561.32x = 393,085,045.59
5. Step 5: Solve for x
   x = 393,085,045.59/22,561.32
6. Step 6: Final answer
   x = 17,422.96