Finding the Fourth Proportional to 3,865.12, 5,333.83 and 2,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865.12 : 5,333.83 = 2,096.72 : x
2. Step 2: Convert to fraction form
   3,865.12/5,333.83 = 2,096.72/x
3. Step 3: Cross multiply
   3,865.12x = 5,333.83 × 2,096.72
4. Step 4: Simplify right side
   3,865.12x = 11,183,548.04
5. Step 5: Solve for x
   x = 11,183,548.04/3,865.12
6. Step 6: Final answer
   x = 2,893.45