Finding the Fourth Proportional to 1,433.29, 2,149.89 and 788.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.29 : 2,149.89 = 788.08 : x
2. Step 2: Convert to fraction form
   1,433.29/2,149.89 = 788.08/x
3. Step 3: Cross multiply
   1,433.29x = 2,149.89 × 788.08
4. Step 4: Simplify right side
   1,433.29x = 1,694,285.31
5. Step 5: Solve for x
   x = 1,694,285.31/1,433.29
6. Step 6: Final answer
   x = 1,182.10