Finding the Fourth Proportional to 2,943.54, 4,412.54 and 994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.54 : 4,412.54 = 994.38 : x
2. Step 2: Convert to fraction form
   2,943.54/4,412.54 = 994.38/x
3. Step 3: Cross multiply
   2,943.54x = 4,412.54 × 994.38
4. Step 4: Simplify right side
   2,943.54x = 4,387,727.46
5. Step 5: Solve for x
   x = 4,387,727.46/2,943.54
6. Step 6: Final answer
   x = 1,490.63