Finding the Fourth Proportional to 1,931.43, 2,895.41 and 698.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.43 : 2,895.41 = 698.55 : x
2. Step 2: Convert to fraction form
   1,931.43/2,895.41 = 698.55/x
3. Step 3: Cross multiply
   1,931.43x = 2,895.41 × 698.55
4. Step 4: Simplify right side
   1,931.43x = 2,022,570.69
5. Step 5: Solve for x
   x = 2,022,570.69/1,931.43
6. Step 6: Final answer
   x = 1,047.19