Finding the Fourth Proportional to 943.89, 1,408.82 and 804.16

Step by Step Solution

1. Step 1: Write the proportion equation
   943.89 : 1,408.82 = 804.16 : x
2. Step 2: Convert to fraction form
   943.89/1,408.82 = 804.16/x
3. Step 3: Cross multiply
   943.89x = 1,408.82 × 804.16
4. Step 4: Simplify right side
   943.89x = 1,132,916.69
5. Step 5: Solve for x
   x = 1,132,916.69/943.89
6. Step 6: Final answer
   x = 1,200.26