Finding the Fourth Proportional to 3,716.37, 5,568.63 and 1,961.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.37 : 5,568.63 = 1,961.31 : x
2. Step 2: Convert to fraction form
   3,716.37/5,568.63 = 1,961.31/x
3. Step 3: Cross multiply
   3,716.37x = 5,568.63 × 1,961.31
4. Step 4: Simplify right side
   3,716.37x = 10,921,781.86
5. Step 5: Solve for x
   x = 10,921,781.86/3,716.37
6. Step 6: Final answer
   x = 2,938.83