Finding the Fourth Proportional to 3,968.54, 5,476.52 and 2,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.54 : 5,476.52 = 2,200.10 : x
2. Step 2: Convert to fraction form
   3,968.54/5,476.52 = 2,200.10/x
3. Step 3: Cross multiply
   3,968.54x = 5,476.52 × 2,200.10
4. Step 4: Simplify right side
   3,968.54x = 12,048,880.65
5. Step 5: Solve for x
   x = 12,048,880.65/3,968.54
6. Step 6: Final answer
   x = 3,036.10