Finding the Fourth Proportional to 1,426.14, 2,139.42 and 695.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.14 : 2,139.42 = 695.22 : x
2. Step 2: Convert to fraction form
   1,426.14/2,139.42 = 695.22/x
3. Step 3: Cross multiply
   1,426.14x = 2,139.42 × 695.22
4. Step 4: Simplify right side
   1,426.14x = 1,487,367.57
5. Step 5: Solve for x
   x = 1,487,367.57/1,426.14
6. Step 6: Final answer
   x = 1,042.93