Finding the Fourth Proportional to 2,916.43, 4,375.49 and 942.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.43 : 4,375.49 = 942.36 : x
2. Step 2: Convert to fraction form
   2,916.43/4,375.49 = 942.36/x
3. Step 3: Cross multiply
   2,916.43x = 4,375.49 × 942.36
4. Step 4: Simplify right side
   2,916.43x = 4,123,286.76
5. Step 5: Solve for x
   x = 4,123,286.76/2,916.43
6. Step 6: Final answer
   x = 1,413.81