Finding the Fourth Proportional to 2,760.52, 4,139.47 and 1,004.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.52 : 4,139.47 = 1,004.28 : x
2. Step 2: Convert to fraction form
   2,760.52/4,139.47 = 1,004.28/x
3. Step 3: Cross multiply
   2,760.52x = 4,139.47 × 1,004.28
4. Step 4: Simplify right side
   2,760.52x = 4,157,186.93
5. Step 5: Solve for x
   x = 4,157,186.93/2,760.52
6. Step 6: Final answer
   x = 1,505.94