Finding the Fourth Proportional to 2,630.10, 3,950.61 and 2,086.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.10 : 3,950.61 = 2,086.08 : x
2. Step 2: Convert to fraction form
   2,630.10/3,950.61 = 2,086.08/x
3. Step 3: Cross multiply
   2,630.10x = 3,950.61 × 2,086.08
4. Step 4: Simplify right side
   2,630.10x = 8,241,285.78
5. Step 5: Solve for x
   x = 8,241,285.78/2,630.10
6. Step 6: Final answer
   x = 3,133.46