Finding the Fourth Proportional to 3,086.58, 4,631.01 and 2,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.58 : 4,631.01 = 2,216.04 : x
2. Step 2: Convert to fraction form
   3,086.58/4,631.01 = 2,216.04/x
3. Step 3: Cross multiply
   3,086.58x = 4,631.01 × 2,216.04
4. Step 4: Simplify right side
   3,086.58x = 10,262,503.40
5. Step 5: Solve for x
   x = 10,262,503.40/3,086.58
6. Step 6: Final answer
   x = 3,324.88