Finding the Fourth Proportional to 3,767.72, 5,199.94 and 2,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.72 : 5,199.94 = 2,112.04 : x
2. Step 2: Convert to fraction form
   3,767.72/5,199.94 = 2,112.04/x
3. Step 3: Cross multiply
   3,767.72x = 5,199.94 × 2,112.04
4. Step 4: Simplify right side
   3,767.72x = 10,982,481.28
5. Step 5: Solve for x
   x = 10,982,481.28/3,767.72
6. Step 6: Final answer
   x = 2,914.89