Finding the Fourth Proportional to 2,105.37, 3,157.36 and 699.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.37 : 3,157.36 = 699.46 : x
2. Step 2: Convert to fraction form
   2,105.37/3,157.36 = 699.46/x
3. Step 3: Cross multiply
   2,105.37x = 3,157.36 × 699.46
4. Step 4: Simplify right side
   2,105.37x = 2,208,447.03
5. Step 5: Solve for x
   x = 2,208,447.03/2,105.37
6. Step 6: Final answer
   x = 1,048.96