Finding the Fourth Proportional to 21,649, 32,476.56 and 8,494.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,649 : 32,476.56 = 8,494.24 : x
2. Step 2: Convert to fraction form
   21,649/32,476.56 = 8,494.24/x
3. Step 3: Cross multiply
   21,649x = 32,476.56 × 8,494.24
4. Step 4: Simplify right side
   21,649x = 275,863,695.01
5. Step 5: Solve for x
   x = 275,863,695.01/21,649
6. Step 6: Final answer
   x = 12,742.56