Finding the Fourth Proportional to 2,024.72, 2,794.80 and 1,258.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,024.72 : 2,794.80 = 1,258.78 : x
2. Step 2: Convert to fraction form
   2,024.72/2,794.80 = 1,258.78/x
3. Step 3: Cross multiply
   2,024.72x = 2,794.80 × 1,258.78
4. Step 4: Simplify right side
   2,024.72x = 3,518,038.34
5. Step 5: Solve for x
   x = 3,518,038.34/2,024.72
6. Step 6: Final answer
   x = 1,737.55