Finding the Fourth Proportional to 1,433.24, 1,977.94 and 803.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.24 : 1,977.94 = 803.83 : x
2. Step 2: Convert to fraction form
   1,433.24/1,977.94 = 803.83/x
3. Step 3: Cross multiply
   1,433.24x = 1,977.94 × 803.83
4. Step 4: Simplify right side
   1,433.24x = 1,589,920.56
5. Step 5: Solve for x
   x = 1,589,920.56/1,433.24
6. Step 6: Final answer
   x = 1,109.32