Finding the Fourth Proportional to 1,738.78, 2,607.56 and 1,046.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.78 : 2,607.56 = 1,046.23 : x
2. Step 2: Convert to fraction form
   1,738.78/2,607.56 = 1,046.23/x
3. Step 3: Cross multiply
   1,738.78x = 2,607.56 × 1,046.23
4. Step 4: Simplify right side
   1,738.78x = 2,728,107.50
5. Step 5: Solve for x
   x = 2,728,107.50/1,738.78
6. Step 6: Final answer
   x = 1,568.98