Finding the Fourth Proportional to 1,931.16, 2,896.89 and 698.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.16 : 2,896.89 = 698.69 : x
2. Step 2: Convert to fraction form
   1,931.16/2,896.89 = 698.69/x
3. Step 3: Cross multiply
   1,931.16x = 2,896.89 × 698.69
4. Step 4: Simplify right side
   1,931.16x = 2,024,013.59
5. Step 5: Solve for x
   x = 2,024,013.59/1,931.16
6. Step 6: Final answer
   x = 1,048.08