Finding the Fourth Proportional to 2,772.76, 3,826.29 and 1,513.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.76 : 3,826.29 = 1,513.79 : x
2. Step 2: Convert to fraction form
   2,772.76/3,826.29 = 1,513.79/x
3. Step 3: Cross multiply
   2,772.76x = 3,826.29 × 1,513.79
4. Step 4: Simplify right side
   2,772.76x = 5,792,199.54
5. Step 5: Solve for x
   x = 5,792,199.54/2,772.76
6. Step 6: Final answer
   x = 2,088.97