Finding the Fourth Proportional to 2,554.38, 3,832.18 and 994.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.38 : 3,832.18 = 994.43 : x
2. Step 2: Convert to fraction form
   2,554.38/3,832.18 = 994.43/x
3. Step 3: Cross multiply
   2,554.38x = 3,832.18 × 994.43
4. Step 4: Simplify right side
   2,554.38x = 3,810,841.85
5. Step 5: Solve for x
   x = 3,810,841.85/2,554.38
6. Step 6: Final answer
   x = 1,491.89