Finding the Fourth Proportional to 2,015.42, 3,022.90 and 698.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.42 : 3,022.90 = 698.93 : x
2. Step 2: Convert to fraction form
   2,015.42/3,022.90 = 698.93/x
3. Step 3: Cross multiply
   2,015.42x = 3,022.90 × 698.93
4. Step 4: Simplify right side
   2,015.42x = 2,112,792.43
5. Step 5: Solve for x
   x = 2,112,792.43/2,015.42
6. Step 6: Final answer
   x = 1,048.31