Finding the Fourth Proportional to 2,275.29, 3,410.05 and 1,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.29 : 3,410.05 = 1,105.56 : x
2. Step 2: Convert to fraction form
   2,275.29/3,410.05 = 1,105.56/x
3. Step 3: Cross multiply
   2,275.29x = 3,410.05 × 1,105.56
4. Step 4: Simplify right side
   2,275.29x = 3,769,992.30
5. Step 5: Solve for x
   x = 3,769,992.30/2,275.29
6. Step 6: Final answer
   x = 1,656.93