Finding the Fourth Proportional to 2,200.34, 3,278.28 and 2,095.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.34 : 3,278.28 = 2,095.85 : x
2. Step 2: Convert to fraction form
   2,200.34/3,278.28 = 2,095.85/x
3. Step 3: Cross multiply
   2,200.34x = 3,278.28 × 2,095.85
4. Step 4: Simplify right side
   2,200.34x = 6,870,783.14
5. Step 5: Solve for x
   x = 6,870,783.14/2,200.34
6. Step 6: Final answer
   x = 3,122.60