Finding the Fourth Proportional to 2,612.20, 3,941.57 and 2,510.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.20 : 3,941.57 = 2,510.94 : x
2. Step 2: Convert to fraction form
   2,612.20/3,941.57 = 2,510.94/x
3. Step 3: Cross multiply
   2,612.20x = 3,941.57 × 2,510.94
4. Step 4: Simplify right side
   2,612.20x = 9,897,045.78
5. Step 5: Solve for x
   x = 9,897,045.78/2,612.20
6. Step 6: Final answer
   x = 3,788.78