Finding the Fourth Proportional to 2,672.15, 4,008.46 and 698.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.15 : 4,008.46 = 698.04 : x
2. Step 2: Convert to fraction form
   2,672.15/4,008.46 = 698.04/x
3. Step 3: Cross multiply
   2,672.15x = 4,008.46 × 698.04
4. Step 4: Simplify right side
   2,672.15x = 2,798,061.93
5. Step 5: Solve for x
   x = 2,798,061.93/2,672.15
6. Step 6: Final answer
   x = 1,047.12