Finding the Fourth Proportional to 22,592.25, 31,177.31 and 12,656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,592.25 : 31,177.31 = 12,656.25 : x
2. Step 2: Convert to fraction form
   22,592.25/31,177.31 = 12,656.25/x
3. Step 3: Cross multiply
   22,592.25x = 31,177.31 × 12,656.25
4. Step 4: Simplify right side
   22,592.25x = 394,587,766.41
5. Step 5: Solve for x
   x = 394,587,766.41/22,592.25
6. Step 6: Final answer
   x = 17,465.63