Finding the Fourth Proportional to 1,744.64, 2,407.52 and 1,081.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.64 : 2,407.52 = 1,081.55 : x
2. Step 2: Convert to fraction form
   1,744.64/2,407.52 = 1,081.55/x
3. Step 3: Cross multiply
   1,744.64x = 2,407.52 × 1,081.55
4. Step 4: Simplify right side
   1,744.64x = 2,603,861.98
5. Step 5: Solve for x
   x = 2,603,861.98/1,744.64
6. Step 6: Final answer
   x = 1,492.49