Finding the Fourth Proportional to 1,433.25, 2,150.69 and 663.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.25 : 2,150.69 = 663.75 : x
2. Step 2: Convert to fraction form
   1,433.25/2,150.69 = 663.75/x
3. Step 3: Cross multiply
   1,433.25x = 2,150.69 × 663.75
4. Step 4: Simplify right side
   1,433.25x = 1,427,517.17
5. Step 5: Solve for x
   x = 1,427,517.17/1,433.25
6. Step 6: Final answer
   x = 996.00