Finding the Fourth Proportional to 1,813.27, 2,502.71 and 1,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813.27 : 2,502.71 = 1,105.34 : x
2. Step 2: Convert to fraction form
   1,813.27/2,502.71 = 1,105.34/x
3. Step 3: Cross multiply
   1,813.27x = 2,502.71 × 1,105.34
4. Step 4: Simplify right side
   1,813.27x = 2,766,354.49
5. Step 5: Solve for x
   x = 2,766,354.49/1,813.27
6. Step 6: Final answer
   x = 1,525.62