Finding the Fourth Proportional to 10,196.20, 15,294.20 and 3,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.20 : 15,294.20 = 3,270.72 : x
2. Step 2: Convert to fraction form
   10,196.20/15,294.20 = 3,270.72/x
3. Step 3: Cross multiply
   10,196.20x = 15,294.20 × 3,270.72
4. Step 4: Simplify right side
   10,196.20x = 50,023,045.82
5. Step 5: Solve for x
   x = 50,023,045.82/10,196.20
6. Step 6: Final answer
   x = 4,906.05