Finding the Fourth Proportional to 21,598.27, 32,401.49 and 8,449.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,598.27 : 32,401.49 = 8,449.81 : x
2. Step 2: Convert to fraction form
   21,598.27/32,401.49 = 8,449.81/x
3. Step 3: Cross multiply
   21,598.27x = 32,401.49 × 8,449.81
4. Step 4: Simplify right side
   21,598.27x = 273,786,434.22
5. Step 5: Solve for x
   x = 273,786,434.22/21,598.27
6. Step 6: Final answer
   x = 12,676.31