Finding the Fourth Proportional to 8,196.13, 12,272.34 and 4,292.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.13 : 12,272.34 = 4,292.35 : x
2. Step 2: Convert to fraction form
   8,196.13/12,272.34 = 4,292.35/x
3. Step 3: Cross multiply
   8,196.13x = 12,272.34 × 4,292.35
4. Step 4: Simplify right side
   8,196.13x = 52,677,178.60
5. Step 5: Solve for x
   x = 52,677,178.60/8,196.13
6. Step 6: Final answer
   x = 6,427.08