Finding the Fourth Proportional to 2,738.63, 4,110.50 and 1,258.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.63 : 4,110.50 = 1,258.65 : x
2. Step 2: Convert to fraction form
   2,738.63/4,110.50 = 1,258.65/x
3. Step 3: Cross multiply
   2,738.63x = 4,110.50 × 1,258.65
4. Step 4: Simplify right side
   2,738.63x = 5,173,680.83
5. Step 5: Solve for x
   x = 5,173,680.83/2,738.63
6. Step 6: Final answer
   x = 1,889.15