Finding the Fourth Proportional to 12,196.08, 18,288.35 and 5,620.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.08 : 18,288.35 = 5,620.32 : x
2. Step 2: Convert to fraction form
   12,196.08/18,288.35 = 5,620.32/x
3. Step 3: Cross multiply
   12,196.08x = 18,288.35 × 5,620.32
4. Step 4: Simplify right side
   12,196.08x = 102,786,379.27
5. Step 5: Solve for x
   x = 102,786,379.27/12,196.08
6. Step 6: Final answer
   x = 8,427.82