Finding the Fourth Proportional to 3,968.43, 5,476.28 and 2,200.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.43 : 5,476.28 = 2,200.07 : x
2. Step 2: Convert to fraction form
   3,968.43/5,476.28 = 2,200.07/x
3. Step 3: Cross multiply
   3,968.43x = 5,476.28 × 2,200.07
4. Step 4: Simplify right side
   3,968.43x = 12,048,199.34
5. Step 5: Solve for x
   x = 12,048,199.34/3,968.43
6. Step 6: Final answer
   x = 3,036.01