Finding the Fourth Proportional to 4,081.58, 5,632.71 and 2,218.58

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.58 : 5,632.71 = 2,218.58 : x
2. Step 2: Convert to fraction form
   4,081.58/5,632.71 = 2,218.58/x
3. Step 3: Cross multiply
   4,081.58x = 5,632.71 × 2,218.58
4. Step 4: Simplify right side
   4,081.58x = 12,496,617.75
5. Step 5: Solve for x
   x = 12,496,617.75/4,081.58
6. Step 6: Final answer
   x = 3,061.71