Finding the Fourth Proportional to 8,196.84, 11,298.42 and 5,543.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.84 : 11,298.42 = 5,543.28 : x
2. Step 2: Convert to fraction form
   8,196.84/11,298.42 = 5,543.28/x
3. Step 3: Cross multiply
   8,196.84x = 11,298.42 × 5,543.28
4. Step 4: Simplify right side
   8,196.84x = 62,630,305.62
5. Step 5: Solve for x
   x = 62,630,305.62/8,196.84
6. Step 6: Final answer
   x = 7,640.79