Finding the Fourth Proportional to 5,225.96, 7,211.83 and 2,868.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,225.96 : 7,211.83 = 2,868.10 : x
2. Step 2: Convert to fraction form
   5,225.96/7,211.83 = 2,868.10/x
3. Step 3: Cross multiply
   5,225.96x = 7,211.83 × 2,868.10
4. Step 4: Simplify right side
   5,225.96x = 20,684,224.42
5. Step 5: Solve for x
   x = 20,684,224.42/5,225.96
6. Step 6: Final answer
   x = 3,957.98