Finding the Fourth Proportional to 1,851.50, 2,554.31 and 1,105.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.50 : 2,554.31 = 1,105.17 : x
2. Step 2: Convert to fraction form
   1,851.50/2,554.31 = 1,105.17/x
3. Step 3: Cross multiply
   1,851.50x = 2,554.31 × 1,105.17
4. Step 4: Simplify right side
   1,851.50x = 2,822,941.26
5. Step 5: Solve for x
   x = 2,822,941.26/1,851.50
6. Step 6: Final answer
   x = 1,524.68