Finding the Fourth Proportional to 3,977.52, 5,488.56 and 2,208.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.52 : 5,488.56 = 2,208.84 : x
2. Step 2: Convert to fraction form
   3,977.52/5,488.56 = 2,208.84/x
3. Step 3: Cross multiply
   3,977.52x = 5,488.56 × 2,208.84
4. Step 4: Simplify right side
   3,977.52x = 12,123,350.87
5. Step 5: Solve for x
   x = 12,123,350.87/3,977.52
6. Step 6: Final answer
   x = 3,047.97