Finding the Fourth Proportional to 7,179.36, 9,910.20 and 4,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,179.36 : 9,910.20 = 4,196.15 : x
2. Step 2: Convert to fraction form
   7,179.36/9,910.20 = 4,196.15/x
3. Step 3: Cross multiply
   7,179.36x = 9,910.20 × 4,196.15
4. Step 4: Simplify right side
   7,179.36x = 41,584,721.22
5. Step 5: Solve for x
   x = 41,584,721.22/7,179.36
6. Step 6: Final answer
   x = 5,792.26