Finding the Fourth Proportional to 2,099.94, 3,149.16 and 694.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.94 : 3,149.16 = 694.10 : x
2. Step 2: Convert to fraction form
   2,099.94/3,149.16 = 694.10/x
3. Step 3: Cross multiply
   2,099.94x = 3,149.16 × 694.10
4. Step 4: Simplify right side
   2,099.94x = 2,185,820.86
5. Step 5: Solve for x
   x = 2,185,820.86/2,099.94
6. Step 6: Final answer
   x = 1,040.90