Finding the Fourth Proportional to 1,328.91, 1,833.94 and 739.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328.91 : 1,833.94 = 739.43 : x
2. Step 2: Convert to fraction form
   1,328.91/1,833.94 = 739.43/x
3. Step 3: Cross multiply
   1,328.91x = 1,833.94 × 739.43
4. Step 4: Simplify right side
   1,328.91x = 1,356,068.89
5. Step 5: Solve for x
   x = 1,356,068.89/1,328.91
6. Step 6: Final answer
   x = 1,020.44