Finding the Fourth Proportional to 2,326.72, 3,489.92 and 1,095.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.72 : 3,489.92 = 1,095.20 : x
2. Step 2: Convert to fraction form
   2,326.72/3,489.92 = 1,095.20/x
3. Step 3: Cross multiply
   2,326.72x = 3,489.92 × 1,095.20
4. Step 4: Simplify right side
   2,326.72x = 3,822,160.38
5. Step 5: Solve for x
   x = 3,822,160.38/2,326.72
6. Step 6: Final answer
   x = 1,642.72