Finding the Fourth Proportional to 3,087.83, 4,630.37 and 2,218.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087.83 : 4,630.37 = 2,218.49 : x
2. Step 2: Convert to fraction form
   3,087.83/4,630.37 = 2,218.49/x
3. Step 3: Cross multiply
   3,087.83x = 4,630.37 × 2,218.49
4. Step 4: Simplify right side
   3,087.83x = 10,272,438.34
5. Step 5: Solve for x
   x = 10,272,438.34/3,087.83
6. Step 6: Final answer
   x = 3,326.76