Finding the Fourth Proportional to 1,931.03, 2,895.60 and 698.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.03 : 2,895.60 = 698.75 : x
2. Step 2: Convert to fraction form
   1,931.03/2,895.60 = 698.75/x
3. Step 3: Cross multiply
   1,931.03x = 2,895.60 × 698.75
4. Step 4: Simplify right side
   1,931.03x = 2,023,300.50
5. Step 5: Solve for x
   x = 2,023,300.50/1,931.03
6. Step 6: Final answer
   x = 1,047.78