Finding the Fourth Proportional to 2,275.06, 3,139.72 and 1,517.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.06 : 3,139.72 = 1,517.52 : x
2. Step 2: Convert to fraction form
   2,275.06/3,139.72 = 1,517.52/x
3. Step 3: Cross multiply
   2,275.06x = 3,139.72 × 1,517.52
4. Step 4: Simplify right side
   2,275.06x = 4,764,587.89
5. Step 5: Solve for x
   x = 4,764,587.89/2,275.06
6. Step 6: Final answer
   x = 2,094.27