Finding the Fourth Proportional to 1,039.14, 1,433.33 and 740.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.14 : 1,433.33 = 740.35 : x
2. Step 2: Convert to fraction form
   1,039.14/1,433.33 = 740.35/x
3. Step 3: Cross multiply
   1,039.14x = 1,433.33 × 740.35
4. Step 4: Simplify right side
   1,039.14x = 1,061,158.58
5. Step 5: Solve for x
   x = 1,061,158.58/1,039.14
6. Step 6: Final answer
   x = 1,021.19