Finding the Fourth Proportional to 5,633.34, 7,766.72 and 3,861.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,633.34 : 7,766.72 = 3,861.78 : x
2. Step 2: Convert to fraction form
   5,633.34/7,766.72 = 3,861.78/x
3. Step 3: Cross multiply
   5,633.34x = 7,766.72 × 3,861.78
4. Step 4: Simplify right side
   5,633.34x = 29,993,363.96
5. Step 5: Solve for x
   x = 29,993,363.96/5,633.34
6. Step 6: Final answer
   x = 5,324.26