Finding the Fourth Proportional to 2,388.85, 3,294.27 and 2,200.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.85 : 3,294.27 = 2,200.28 : x
2. Step 2: Convert to fraction form
   2,388.85/3,294.27 = 2,200.28/x
3. Step 3: Cross multiply
   2,388.85x = 3,294.27 × 2,200.28
4. Step 4: Simplify right side
   2,388.85x = 7,248,311.50
5. Step 5: Solve for x
   x = 7,248,311.50/2,388.85
6. Step 6: Final answer
   x = 3,034.22