Finding the Fourth Proportional to 2,510.12, 3,463.89 and 1,391.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.12 : 3,463.89 = 1,391.04 : x
2. Step 2: Convert to fraction form
   2,510.12/3,463.89 = 1,391.04/x
3. Step 3: Cross multiply
   2,510.12x = 3,463.89 × 1,391.04
4. Step 4: Simplify right side
   2,510.12x = 4,818,409.55
5. Step 5: Solve for x
   x = 4,818,409.55/2,510.12
6. Step 6: Final answer
   x = 1,919.60