Finding the Fourth Proportional to 11,822.18, 16,196.32 and 11,379.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822.18 : 16,196.32 = 11,379.02 : x
2. Step 2: Convert to fraction form
   11,822.18/16,196.32 = 11,379.02/x
3. Step 3: Cross multiply
   11,822.18x = 16,196.32 × 11,379.02
4. Step 4: Simplify right side
   11,822.18x = 184,298,249.21
5. Step 5: Solve for x
   x = 184,298,249.21/11,822.18
6. Step 6: Final answer
   x = 15,589.19