Finding the Fourth Proportional to 3,601.48, 5,396.82 and 2,778.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.48 : 5,396.82 = 2,778.52 : x
2. Step 2: Convert to fraction form
   3,601.48/5,396.82 = 2,778.52/x
3. Step 3: Cross multiply
   3,601.48x = 5,396.82 × 2,778.52
4. Step 4: Simplify right side
   3,601.48x = 14,995,172.31
5. Step 5: Solve for x
   x = 14,995,172.31/3,601.48
6. Step 6: Final answer
   x = 4,163.61