Finding the Fourth Proportional to 2,276.47, 3,411.89 and 1,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.47 : 3,411.89 = 1,105.52 : x
2. Step 2: Convert to fraction form
   2,276.47/3,411.89 = 1,105.52/x
3. Step 3: Cross multiply
   2,276.47x = 3,411.89 × 1,105.52
4. Step 4: Simplify right side
   2,276.47x = 3,771,903.72
5. Step 5: Solve for x
   x = 3,771,903.72/2,276.47
6. Step 6: Final answer
   x = 1,656.91