Finding the Fourth Proportional to 8,082.78, 12,136.91 and 4,810.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.78 : 12,136.91 = 4,810.47 : x
2. Step 2: Convert to fraction form
   8,082.78/12,136.91 = 4,810.47/x
3. Step 3: Cross multiply
   8,082.78x = 12,136.91 × 4,810.47
4. Step 4: Simplify right side
   8,082.78x = 58,384,241.45
5. Step 5: Solve for x
   x = 58,384,241.45/8,082.78
6. Step 6: Final answer
   x = 7,223.29