Finding the Fourth Proportional to 2,642.98, 3,964.17 and 695.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.98 : 3,964.17 = 695.34 : x
2. Step 2: Convert to fraction form
   2,642.98/3,964.17 = 695.34/x
3. Step 3: Cross multiply
   2,642.98x = 3,964.17 × 695.34
4. Step 4: Simplify right side
   2,642.98x = 2,756,426.15
5. Step 5: Solve for x
   x = 2,756,426.15/2,642.98
6. Step 6: Final answer
   x = 1,042.92