Finding the Fourth Proportional to 8,199.42, 12,290.82 and 3,522.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,199.42 : 12,290.82 = 3,522.48 : x
2. Step 2: Convert to fraction form
   8,199.42/12,290.82 = 3,522.48/x
3. Step 3: Cross multiply
   8,199.42x = 12,290.82 × 3,522.48
4. Step 4: Simplify right side
   8,199.42x = 43,294,167.63
5. Step 5: Solve for x
   x = 43,294,167.63/8,199.42
6. Step 6: Final answer
   x = 5,280.15