Finding the Fourth Proportional to 3,968.76, 5,477.22 and 2,200.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.76 : 5,477.22 = 2,200.94 : x
2. Step 2: Convert to fraction form
   3,968.76/5,477.22 = 2,200.94/x
3. Step 3: Cross multiply
   3,968.76x = 5,477.22 × 2,200.94
4. Step 4: Simplify right side
   3,968.76x = 12,055,032.59
5. Step 5: Solve for x
   x = 12,055,032.59/3,968.76
6. Step 6: Final answer
   x = 3,037.48