Finding the Fourth Proportional to 2,772.29, 3,825.71 and 1,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.29 : 3,825.71 = 1,513.31 : x
2. Step 2: Convert to fraction form
   2,772.29/3,825.71 = 1,513.31/x
3. Step 3: Cross multiply
   2,772.29x = 3,825.71 × 1,513.31
4. Step 4: Simplify right side
   2,772.29x = 5,789,458.51
5. Step 5: Solve for x
   x = 5,789,458.51/2,772.29
6. Step 6: Final answer
   x = 2,088.33