Finding the Fourth Proportional to 7,196.78, 9,931.62 and 4,363.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.78 : 9,931.62 = 4,363.22 : x
2. Step 2: Convert to fraction form
   7,196.78/9,931.62 = 4,363.22/x
3. Step 3: Cross multiply
   7,196.78x = 9,931.62 × 4,363.22
4. Step 4: Simplify right side
   7,196.78x = 43,333,843.02
5. Step 5: Solve for x
   x = 43,333,843.02/7,196.78
6. Step 6: Final answer
   x = 6,021.28