Finding the Fourth Proportional to 3,671.37, 5,066.50 and 1,992.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.37 : 5,066.50 = 1,992.78 : x
2. Step 2: Convert to fraction form
   3,671.37/5,066.50 = 1,992.78/x
3. Step 3: Cross multiply
   3,671.37x = 5,066.50 × 1,992.78
4. Step 4: Simplify right side
   3,671.37x = 10,096,423.80
5. Step 5: Solve for x
   x = 10,096,423.80/3,671.37
6. Step 6: Final answer
   x = 2,750.04