Finding the Fourth Proportional to 12,196.86, 18,324.48 and 7,822.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.86 : 18,324.48 = 7,822.86 : x
2. Step 2: Convert to fraction form
   12,196.86/18,324.48 = 7,822.86/x
3. Step 3: Cross multiply
   12,196.86x = 18,324.48 × 7,822.86
4. Step 4: Simplify right side
   12,196.86x = 143,349,841.61
5. Step 5: Solve for x
   x = 143,349,841.61/12,196.86
6. Step 6: Final answer
   x = 11,753.01