Finding the Fourth Proportional to 22,026.72, 30,392.64 and 12,593.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,026.72 : 30,392.64 = 12,593.28 : x
2. Step 2: Convert to fraction form
   22,026.72/30,392.64 = 12,593.28/x
3. Step 3: Cross multiply
   22,026.72x = 30,392.64 × 12,593.28
4. Step 4: Simplify right side
   22,026.72x = 382,743,025.46
5. Step 5: Solve for x
   x = 382,743,025.46/22,026.72
6. Step 6: Final answer
   x = 17,376.31