Finding the Fourth Proportional to 2,015.92, 3,022.76 and 699.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.92 : 3,022.76 = 699.06 : x
2. Step 2: Convert to fraction form
   2,015.92/3,022.76 = 699.06/x
3. Step 3: Cross multiply
   2,015.92x = 3,022.76 × 699.06
4. Step 4: Simplify right side
   2,015.92x = 2,113,090.61
5. Step 5: Solve for x
   x = 2,113,090.61/2,015.92
6. Step 6: Final answer
   x = 1,048.20