Finding the Fourth Proportional to 2,969.70, 4,451.42 and 994.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.70 : 4,451.42 = 994.82 : x
2. Step 2: Convert to fraction form
   2,969.70/4,451.42 = 994.82/x
3. Step 3: Cross multiply
   2,969.70x = 4,451.42 × 994.82
4. Step 4: Simplify right side
   2,969.70x = 4,428,361.64
5. Step 5: Solve for x
   x = 4,428,361.64/2,969.70
6. Step 6: Final answer
   x = 1,491.18