Finding the Fourth Proportional to 5,196.26, 7,168.56 and 3,179.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.26 : 7,168.56 = 3,179.77 : x
2. Step 2: Convert to fraction form
   5,196.26/7,168.56 = 3,179.77/x
3. Step 3: Cross multiply
   5,196.26x = 7,168.56 × 3,179.77
4. Step 4: Simplify right side
   5,196.26x = 22,794,372.03
5. Step 5: Solve for x
   x = 22,794,372.03/5,196.26
6. Step 6: Final answer
   x = 4,386.69