Finding the Fourth Proportional to 2,216.21, 3,323.41 and 1,755.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.21 : 3,323.41 = 1,755.12 : x
2. Step 2: Convert to fraction form
   2,216.21/3,323.41 = 1,755.12/x
3. Step 3: Cross multiply
   2,216.21x = 3,323.41 × 1,755.12
4. Step 4: Simplify right side
   2,216.21x = 5,832,978.97
5. Step 5: Solve for x
   x = 5,832,978.97/2,216.21
6. Step 6: Final answer
   x = 2,631.96