Finding the Fourth Proportional to 3,968.95, 5,477.37 and 2,200.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.95 : 5,477.37 = 2,200.52 : x
2. Step 2: Convert to fraction form
   3,968.95/5,477.37 = 2,200.52/x
3. Step 3: Cross multiply
   3,968.95x = 5,477.37 × 2,200.52
4. Step 4: Simplify right side
   3,968.95x = 12,053,026.59
5. Step 5: Solve for x
   x = 12,053,026.59/3,968.95
6. Step 6: Final answer
   x = 3,036.83