Finding the Fourth Proportional to 7,311.01, 10,965.31 and 2,630.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311.01 : 10,965.31 = 2,630.15 : x
2. Step 2: Convert to fraction form
   7,311.01/10,965.31 = 2,630.15/x
3. Step 3: Cross multiply
   7,311.01x = 10,965.31 × 2,630.15
4. Step 4: Simplify right side
   7,311.01x = 28,840,410.10
5. Step 5: Solve for x
   x = 28,840,410.10/7,311.01
6. Step 6: Final answer
   x = 3,944.79