Finding the Fourth Proportional to 8,205.75, 12,244.59 and 7,322.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205.75 : 12,244.59 = 7,322.18 : x
2. Step 2: Convert to fraction form
   8,205.75/12,244.59 = 7,322.18/x
3. Step 3: Cross multiply
   8,205.75x = 12,244.59 × 7,322.18
4. Step 4: Simplify right side
   8,205.75x = 89,657,030.78
5. Step 5: Solve for x
   x = 89,657,030.78/8,205.75
6. Step 6: Final answer
   x = 10,926.12