Finding the Fourth Proportional to 11,196.29, 15,451.63 and 7,412.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.29 : 15,451.63 = 7,412.91 : x
2. Step 2: Convert to fraction form
   11,196.29/15,451.63 = 7,412.91/x
3. Step 3: Cross multiply
   11,196.29x = 15,451.63 × 7,412.91
4. Step 4: Simplify right side
   11,196.29x = 114,541,542.54
5. Step 5: Solve for x
   x = 114,541,542.54/11,196.29
6. Step 6: Final answer
   x = 10,230.31