Finding the Fourth Proportional to 2,772.48, 3,825.81 and 1,513.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.48 : 3,825.81 = 1,513.47 : x
2. Step 2: Convert to fraction form
   2,772.48/3,825.81 = 1,513.47/x
3. Step 3: Cross multiply
   2,772.48x = 3,825.81 × 1,513.47
4. Step 4: Simplify right side
   2,772.48x = 5,790,248.66
5. Step 5: Solve for x
   x = 5,790,248.66/2,772.48
6. Step 6: Final answer
   x = 2,088.47