Finding the Fourth Proportional to 22,322.54, 30,796.33 and 12,757.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,322.54 : 30,796.33 = 12,757.29 : x
2. Step 2: Convert to fraction form
   22,322.54/30,796.33 = 12,757.29/x
3. Step 3: Cross multiply
   22,322.54x = 30,796.33 × 12,757.29
4. Step 4: Simplify right side
   22,322.54x = 392,877,712.75
5. Step 5: Solve for x
   x = 392,877,712.75/22,322.54
6. Step 6: Final answer
   x = 17,600.05