Finding the Fourth Proportional to 22,224.72, 30,676.32 and 12,799.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,224.72 : 30,676.32 = 12,799.56 : x
2. Step 2: Convert to fraction form
   22,224.72/30,676.32 = 12,799.56/x
3. Step 3: Cross multiply
   22,224.72x = 30,676.32 × 12,799.56
4. Step 4: Simplify right side
   22,224.72x = 392,643,398.42
5. Step 5: Solve for x
   x = 392,643,398.42/22,224.72
6. Step 6: Final answer
   x = 17,666.97