Finding the Fourth Proportional to 2,379.91, 3,567.41 and 994.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.91 : 3,567.41 = 994.05 : x
2. Step 2: Convert to fraction form
   2,379.91/3,567.41 = 994.05/x
3. Step 3: Cross multiply
   2,379.91x = 3,567.41 × 994.05
4. Step 4: Simplify right side
   2,379.91x = 3,546,178.94
5. Step 5: Solve for x
   x = 3,546,178.94/2,379.91
6. Step 6: Final answer
   x = 1,490.05