Finding the Fourth Proportional to 12,196.86, 18,284.49 and 5,267.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.86 : 18,284.49 = 5,267.58 : x
2. Step 2: Convert to fraction form
   12,196.86/18,284.49 = 5,267.58/x
3. Step 3: Cross multiply
   12,196.86x = 18,284.49 × 5,267.58
4. Step 4: Simplify right side
   12,196.86x = 96,315,013.83
5. Step 5: Solve for x
   x = 96,315,013.83/12,196.86
6. Step 6: Final answer
   x = 7,896.71