Finding the Fourth Proportional to 3,778.80, 5,663.39 and 2,136.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778.80 : 5,663.39 = 2,136.27 : x
2. Step 2: Convert to fraction form
   3,778.80/5,663.39 = 2,136.27/x
3. Step 3: Cross multiply
   3,778.80x = 5,663.39 × 2,136.27
4. Step 4: Simplify right side
   3,778.80x = 12,098,501.84
5. Step 5: Solve for x
   x = 12,098,501.84/3,778.80
6. Step 6: Final answer
   x = 3,201.68