Finding the Fourth Proportional to 1,928.39, 2,891.89 and 695.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.39 : 2,891.89 = 695.47 : x
2. Step 2: Convert to fraction form
   1,928.39/2,891.89 = 695.47/x
3. Step 3: Cross multiply
   1,928.39x = 2,891.89 × 695.47
4. Step 4: Simplify right side
   1,928.39x = 2,011,222.30
5. Step 5: Solve for x
   x = 2,011,222.30/1,928.39
6. Step 6: Final answer
   x = 1,042.95