Finding the Fourth Proportional to 1,851.33, 2,554.42 and 1,105.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.33 : 2,554.42 = 1,105.15 : x
2. Step 2: Convert to fraction form
   1,851.33/2,554.42 = 1,105.15/x
3. Step 3: Cross multiply
   1,851.33x = 2,554.42 × 1,105.15
4. Step 4: Simplify right side
   1,851.33x = 2,822,998.97
5. Step 5: Solve for x
   x = 2,822,998.97/1,851.33
6. Step 6: Final answer
   x = 1,524.85