Finding the Fourth Proportional to 2,380.80, 3,568.71 and 994.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.80 : 3,568.71 = 994.93 : x
2. Step 2: Convert to fraction form
   2,380.80/3,568.71 = 994.93/x
3. Step 3: Cross multiply
   2,380.80x = 3,568.71 × 994.93
4. Step 4: Simplify right side
   2,380.80x = 3,550,616.64
5. Step 5: Solve for x
   x = 3,550,616.64/2,380.80
6. Step 6: Final answer
   x = 1,491.36