Finding the Fourth Proportional to 1,744.18, 2,407.12 and 1,081.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.18 : 2,407.12 = 1,081.43 : x
2. Step 2: Convert to fraction form
   1,744.18/2,407.12 = 1,081.43/x
3. Step 3: Cross multiply
   1,744.18x = 2,407.12 × 1,081.43
4. Step 4: Simplify right side
   1,744.18x = 2,603,119.30
5. Step 5: Solve for x
   x = 2,603,119.30/1,744.18
6. Step 6: Final answer
   x = 1,492.46