Finding the Fourth Proportional to 5,119.29, 7,679.34 and 2,196.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,119.29 : 7,679.34 = 2,196.86 : x
2. Step 2: Convert to fraction form
   5,119.29/7,679.34 = 2,196.86/x
3. Step 3: Cross multiply
   5,119.29x = 7,679.34 × 2,196.86
4. Step 4: Simplify right side
   5,119.29x = 16,870,396.48
5. Step 5: Solve for x
   x = 16,870,396.48/5,119.29
6. Step 6: Final answer
   x = 3,295.46