Finding the Fourth Proportional to 8,196.90, 12,298.46 and 4,912.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.90 : 12,298.46 = 4,912.35 : x
2. Step 2: Convert to fraction form
   8,196.90/12,298.46 = 4,912.35/x
3. Step 3: Cross multiply
   8,196.90x = 12,298.46 × 4,912.35
4. Step 4: Simplify right side
   8,196.90x = 60,414,315.42
5. Step 5: Solve for x
   x = 60,414,315.42/8,196.90
6. Step 6: Final answer
   x = 7,370.39