Finding the Fourth Proportional to 1,738.02, 2,608.05 and 698.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.02 : 2,608.05 = 698.12 : x
2. Step 2: Convert to fraction form
   1,738.02/2,608.05 = 698.12/x
3. Step 3: Cross multiply
   1,738.02x = 2,608.05 × 698.12
4. Step 4: Simplify right side
   1,738.02x = 1,820,718.83
5. Step 5: Solve for x
   x = 1,820,718.83/1,738.02
6. Step 6: Final answer
   x = 1,047.58