Finding the Fourth Proportional to 1,039.32, 1,433.82 and 745.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.32 : 1,433.82 = 745.02 : x
2. Step 2: Convert to fraction form
   1,039.32/1,433.82 = 745.02/x
3. Step 3: Cross multiply
   1,039.32x = 1,433.82 × 745.02
4. Step 4: Simplify right side
   1,039.32x = 1,068,224.58
5. Step 5: Solve for x
   x = 1,068,224.58/1,039.32
6. Step 6: Final answer
   x = 1,027.81