Finding the Fourth Proportional to 2,772.25, 3,825.65 and 1,513.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.25 : 3,825.65 = 1,513.30 : x
2. Step 2: Convert to fraction form
   2,772.25/3,825.65 = 1,513.30/x
3. Step 3: Cross multiply
   2,772.25x = 3,825.65 × 1,513.30
4. Step 4: Simplify right side
   2,772.25x = 5,789,356.15
5. Step 5: Solve for x
   x = 5,789,356.15/2,772.25
6. Step 6: Final answer
   x = 2,088.32