Finding the Fourth Proportional to 3,272.06, 4,513.69 and 2,275.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,272.06 : 4,513.69 = 2,275.61 : x
2. Step 2: Convert to fraction form
   3,272.06/4,513.69 = 2,275.61/x
3. Step 3: Cross multiply
   3,272.06x = 4,513.69 × 2,275.61
4. Step 4: Simplify right side
   3,272.06x = 10,271,398.10
5. Step 5: Solve for x
   x = 10,271,398.10/3,272.06
6. Step 6: Final answer
   x = 3,139.12