Finding the Fourth Proportional to 2,196.09, 3,274.76 and 2,176.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.09 : 3,274.76 = 2,176.34 : x
2. Step 2: Convert to fraction form
   2,196.09/3,274.76 = 2,176.34/x
3. Step 3: Cross multiply
   2,196.09x = 3,274.76 × 2,176.34
4. Step 4: Simplify right side
   2,196.09x = 7,126,980.25
5. Step 5: Solve for x
   x = 7,126,980.25/2,196.09
6. Step 6: Final answer
   x = 3,245.30