Finding the Fourth Proportional to 2,335.86, 3,238.47 and 2,217.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.86 : 3,238.47 = 2,217.24 : x
2. Step 2: Convert to fraction form
   2,335.86/3,238.47 = 2,217.24/x
3. Step 3: Cross multiply
   2,335.86x = 3,238.47 × 2,217.24
4. Step 4: Simplify right side
   2,335.86x = 7,180,465.22
5. Step 5: Solve for x
   x = 7,180,465.22/2,335.86
6. Step 6: Final answer
   x = 3,074.01