Finding the Fourth Proportional to 2,216.99, 3,321.83 and 1,757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.99 : 3,321.83 = 1,757.72 : x
2. Step 2: Convert to fraction form
   2,216.99/3,321.83 = 1,757.72/x
3. Step 3: Cross multiply
   2,216.99x = 3,321.83 × 1,757.72
4. Step 4: Simplify right side
   2,216.99x = 5,838,847.03
5. Step 5: Solve for x
   x = 5,838,847.03/2,216.99
6. Step 6: Final answer
   x = 2,633.68