Finding the Fourth Proportional to 2,844.21, 4,266.72 and 994.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,844.21 : 4,266.72 = 994.91 : x
2. Step 2: Convert to fraction form
   2,844.21/4,266.72 = 994.91/x
3. Step 3: Cross multiply
   2,844.21x = 4,266.72 × 994.91
4. Step 4: Simplify right side
   2,844.21x = 4,245,002.40
5. Step 5: Solve for x
   x = 4,245,002.40/2,844.21
6. Step 6: Final answer
   x = 1,492.51