Finding the Fourth Proportional to 2,037.92, 3,052.72 and 994.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.92 : 3,052.72 = 994.80 : x
2. Step 2: Convert to fraction form
   2,037.92/3,052.72 = 994.80/x
3. Step 3: Cross multiply
   2,037.92x = 3,052.72 × 994.80
4. Step 4: Simplify right side
   2,037.92x = 3,036,845.86
5. Step 5: Solve for x
   x = 3,036,845.86/2,037.92
6. Step 6: Final answer
   x = 1,490.17