Finding the Fourth Proportional to 21,799.10, 32,675.25 and 8,633.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,799.10 : 32,675.25 = 8,633.18 : x
2. Step 2: Convert to fraction form
   21,799.10/32,675.25 = 8,633.18/x
3. Step 3: Cross multiply
   21,799.10x = 32,675.25 × 8,633.18
4. Step 4: Simplify right side
   21,799.10x = 282,091,314.80
5. Step 5: Solve for x
   x = 282,091,314.80/21,799.10
6. Step 6: Final answer
   x = 12,940.50