Finding the Fourth Proportional to 2,608.34, 3,911.29 and 1,513.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.34 : 3,911.29 = 1,513.02 : x
2. Step 2: Convert to fraction form
   2,608.34/3,911.29 = 1,513.02/x
3. Step 3: Cross multiply
   2,608.34x = 3,911.29 × 1,513.02
4. Step 4: Simplify right side
   2,608.34x = 5,917,849.11
5. Step 5: Solve for x
   x = 5,917,849.11/2,608.34
6. Step 6: Final answer
   x = 2,268.82