Finding the Fourth Proportional to 6,829.92, 10,221.12 and 4,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,829.92 : 10,221.12 = 4,196.25 : x
2. Step 2: Convert to fraction form
   6,829.92/10,221.12 = 4,196.25/x
3. Step 3: Cross multiply
   6,829.92x = 10,221.12 × 4,196.25
4. Step 4: Simplify right side
   6,829.92x = 42,890,374.80
5. Step 5: Solve for x
   x = 42,890,374.80/6,829.92
6. Step 6: Final answer
   x = 6,279.78