Finding the Fourth Proportional to 2,096.72, 3,147.96 and 2,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.72 : 3,147.96 = 2,096.72 : x
2. Step 2: Convert to fraction form
   2,096.72/3,147.96 = 2,096.72/x
3. Step 3: Cross multiply
   2,096.72x = 3,147.96 × 2,096.72
4. Step 4: Simplify right side
   2,096.72x = 6,600,390.69
5. Step 5: Solve for x
   x = 6,600,390.69/2,096.72
6. Step 6: Final answer
   x = 3,147.96