Finding the Fourth Proportional to 3,768.18, 5,200.29 and 2,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.18 : 5,200.29 = 2,196.18 : x
2. Step 2: Convert to fraction form
   3,768.18/5,200.29 = 2,196.18/x
3. Step 3: Cross multiply
   3,768.18x = 5,200.29 × 2,196.18
4. Step 4: Simplify right side
   3,768.18x = 11,420,772.89
5. Step 5: Solve for x
   x = 11,420,772.89/3,768.18
6. Step 6: Final answer
   x = 3,030.85