Finding the Fourth Proportional to 3,691.22, 5,530.59 and 2,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.22 : 5,530.59 = 2,908.10 : x
2. Step 2: Convert to fraction form
   3,691.22/5,530.59 = 2,908.10/x
3. Step 3: Cross multiply
   3,691.22x = 5,530.59 × 2,908.10
4. Step 4: Simplify right side
   3,691.22x = 16,083,508.78
5. Step 5: Solve for x
   x = 16,083,508.78/3,691.22
6. Step 6: Final answer
   x = 4,357.23