Finding the Fourth Proportional to 1,424.62, 1,963.56 and 926.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.62 : 1,963.56 = 926.56 : x
2. Step 2: Convert to fraction form
   1,424.62/1,963.56 = 926.56/x
3. Step 3: Cross multiply
   1,424.62x = 1,963.56 × 926.56
4. Step 4: Simplify right side
   1,424.62x = 1,819,356.15
5. Step 5: Solve for x
   x = 1,819,356.15/1,424.62
6. Step 6: Final answer
   x = 1,277.08