Finding the Fourth Proportional to 1,033.78, 1,426.71 and 614.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.78 : 1,426.71 = 614.22 : x
2. Step 2: Convert to fraction form
   1,033.78/1,426.71 = 614.22/x
3. Step 3: Cross multiply
   1,033.78x = 1,426.71 × 614.22
4. Step 4: Simplify right side
   1,033.78x = 876,316.79
5. Step 5: Solve for x
   x = 876,316.79/1,033.78
6. Step 6: Final answer
   x = 847.69