Finding the Fourth Proportional to 6,664.15, 9,196.91 and 3,679.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,664.15 : 9,196.91 = 3,679.98 : x
2. Step 2: Convert to fraction form
   6,664.15/9,196.91 = 3,679.98/x
3. Step 3: Cross multiply
   6,664.15x = 9,196.91 × 3,679.98
4. Step 4: Simplify right side
   6,664.15x = 33,844,444.86
5. Step 5: Solve for x
   x = 33,844,444.86/6,664.15
6. Step 6: Final answer
   x = 5,078.58