Finding the Fourth Proportional to 2,317.07, 3,196.46 and 1,687.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.07 : 3,196.46 = 1,687.32 : x
2. Step 2: Convert to fraction form
   2,317.07/3,196.46 = 1,687.32/x
3. Step 3: Cross multiply
   2,317.07x = 3,196.46 × 1,687.32
4. Step 4: Simplify right side
   2,317.07x = 5,393,442.45
5. Step 5: Solve for x
   x = 5,393,442.45/2,317.07
6. Step 6: Final answer
   x = 2,327.70