Finding the Fourth Proportional to 8,136.38, 12,200.82 and 3,066.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,136.38 : 12,200.82 = 3,066.99 : x
2. Step 2: Convert to fraction form
   8,136.38/12,200.82 = 3,066.99/x
3. Step 3: Cross multiply
   8,136.38x = 12,200.82 × 3,066.99
4. Step 4: Simplify right side
   8,136.38x = 37,419,792.93
5. Step 5: Solve for x
   x = 37,419,792.93/8,136.38
6. Step 6: Final answer
   x = 4,599.07