Finding the Fourth Proportional to 1,424.46, 1,965.72 and 834.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.46 : 1,965.72 = 834.99 : x
2. Step 2: Convert to fraction form
   1,424.46/1,965.72 = 834.99/x
3. Step 3: Cross multiply
   1,424.46x = 1,965.72 × 834.99
4. Step 4: Simplify right side
   1,424.46x = 1,641,356.54
5. Step 5: Solve for x
   x = 1,641,356.54/1,424.46
6. Step 6: Final answer
   x = 1,152.27