Finding the Fourth Proportional to 2,760.16, 3,808.72 and 1,517.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.16 : 3,808.72 = 1,517.92 : x
2. Step 2: Convert to fraction form
   2,760.16/3,808.72 = 1,517.92/x
3. Step 3: Cross multiply
   2,760.16x = 3,808.72 × 1,517.92
4. Step 4: Simplify right side
   2,760.16x = 5,781,332.26
5. Step 5: Solve for x
   x = 5,781,332.26/2,760.16
6. Step 6: Final answer
   x = 2,094.56