Finding the Fourth Proportional to 5,673.39, 7,814.61 and 3,968.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,673.39 : 7,814.61 = 3,968.88 : x
2. Step 2: Convert to fraction form
   5,673.39/7,814.61 = 3,968.88/x
3. Step 3: Cross multiply
   5,673.39x = 7,814.61 × 3,968.88
4. Step 4: Simplify right side
   5,673.39x = 31,015,249.34
5. Step 5: Solve for x
   x = 31,015,249.34/5,673.39
6. Step 6: Final answer
   x = 5,466.79