Finding the Fourth Proportional to 22,496.62, 31,045.57 and 12,425.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.62 : 31,045.57 = 12,425.32 : x
2. Step 2: Convert to fraction form
   22,496.62/31,045.57 = 12,425.32/x
3. Step 3: Cross multiply
   22,496.62x = 31,045.57 × 12,425.32
4. Step 4: Simplify right side
   22,496.62x = 385,751,141.83
5. Step 5: Solve for x
   x = 385,751,141.83/22,496.62
6. Step 6: Final answer
   x = 17,147.07