Finding the Fourth Proportional to 22,493.25, 31,040.69 and 12,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.25 : 31,040.69 = 12,557.25 : x
2. Step 2: Convert to fraction form
   22,493.25/31,040.69 = 12,557.25/x
3. Step 3: Cross multiply
   22,493.25x = 31,040.69 × 12,557.25
4. Step 4: Simplify right side
   22,493.25x = 389,785,641.72
5. Step 5: Solve for x
   x = 389,785,641.72/22,493.25
6. Step 6: Final answer
   x = 17,329.01