Finding the Fourth Proportional to 22,025.72, 30,391.26 and 12,592.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,025.72 : 30,391.26 = 12,592.28 : x
2. Step 2: Convert to fraction form
   22,025.72/30,391.26 = 12,592.28/x
3. Step 3: Cross multiply
   22,025.72x = 30,391.26 × 12,592.28
4. Step 4: Simplify right side
   22,025.72x = 382,695,255.47
5. Step 5: Solve for x
   x = 382,695,255.47/22,025.72
6. Step 6: Final answer
   x = 17,374.93