Finding the Fourth Proportional to 2,196.16, 3,289.56 and 2,134.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.16 : 3,289.56 = 2,134.96 : x
2. Step 2: Convert to fraction form
   2,196.16/3,289.56 = 2,134.96/x
3. Step 3: Cross multiply
   2,196.16x = 3,289.56 × 2,134.96
4. Step 4: Simplify right side
   2,196.16x = 7,023,079.02
5. Step 5: Solve for x
   x = 7,023,079.02/2,196.16
6. Step 6: Final answer
   x = 3,197.89