Finding the Fourth Proportional to 2,943.18, 4,411.94 and 994.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.18 : 4,411.94 = 994.32 : x
2. Step 2: Convert to fraction form
   2,943.18/4,411.94 = 994.32/x
3. Step 3: Cross multiply
   2,943.18x = 4,411.94 × 994.32
4. Step 4: Simplify right side
   2,943.18x = 4,386,875.21
5. Step 5: Solve for x
   x = 4,386,875.21/2,943.18
6. Step 6: Final answer
   x = 1,490.52