Finding the Fourth Proportional to 1,931.43, 2,896.81 and 699.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.43 : 2,896.81 = 699.42 : x
2. Step 2: Convert to fraction form
   1,931.43/2,896.81 = 699.42/x
3. Step 3: Cross multiply
   1,931.43x = 2,896.81 × 699.42
4. Step 4: Simplify right side
   1,931.43x = 2,026,086.85
5. Step 5: Solve for x
   x = 2,026,086.85/1,931.43
6. Step 6: Final answer
   x = 1,049.01