Finding the Fourth Proportional to 2,612.01, 3,921.49 and 1,517.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.01 : 3,921.49 = 1,517.16 : x
2. Step 2: Convert to fraction form
   2,612.01/3,921.49 = 1,517.16/x
3. Step 3: Cross multiply
   2,612.01x = 3,921.49 × 1,517.16
4. Step 4: Simplify right side
   2,612.01x = 5,949,509.27
5. Step 5: Solve for x
   x = 5,949,509.27/2,612.01
6. Step 6: Final answer
   x = 2,277.75