Finding the Fourth Proportional to 13,076.36, 19,617.84 and 5,679.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,076.36 : 19,617.84 = 5,679.02 : x
2. Step 2: Convert to fraction form
   13,076.36/19,617.84 = 5,679.02/x
3. Step 3: Cross multiply
   13,076.36x = 19,617.84 × 5,679.02
4. Step 4: Simplify right side
   13,076.36x = 111,410,105.72
5. Step 5: Solve for x
   x = 111,410,105.72/13,076.36
6. Step 6: Final answer
   x = 8,519.96