Finding the Fourth Proportional to 2,317.54, 3,196.82 and 1,687.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.54 : 3,196.82 = 1,687.22 : x
2. Step 2: Convert to fraction form
   2,317.54/3,196.82 = 1,687.22/x
3. Step 3: Cross multiply
   2,317.54x = 3,196.82 × 1,687.22
4. Step 4: Simplify right side
   2,317.54x = 5,393,738.64
5. Step 5: Solve for x
   x = 5,393,738.64/2,317.54
6. Step 6: Final answer
   x = 2,327.36