Finding the Fourth Proportional to 11,196.74, 15,450.54 and 6,481.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.74 : 15,450.54 = 6,481.28 : x
2. Step 2: Convert to fraction form
   11,196.74/15,450.54 = 6,481.28/x
3. Step 3: Cross multiply
   11,196.74x = 15,450.54 × 6,481.28
4. Step 4: Simplify right side
   11,196.74x = 100,139,275.89
5. Step 5: Solve for x
   x = 100,139,275.89/11,196.74
6. Step 6: Final answer
   x = 8,943.61