Finding the Fourth Proportional to 2,492.55, 3,738.32 and 1,258.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.55 : 3,738.32 = 1,258.79 : x
2. Step 2: Convert to fraction form
   2,492.55/3,738.32 = 1,258.79/x
3. Step 3: Cross multiply
   2,492.55x = 3,738.32 × 1,258.79
4. Step 4: Simplify right side
   2,492.55x = 4,705,734.85
5. Step 5: Solve for x
   x = 4,705,734.85/2,492.55
6. Step 6: Final answer
   x = 1,887.92