Finding the Fourth Proportional to 12,196.10, 18,288.75 and 4,404.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.10 : 18,288.75 = 4,404.98 : x
2. Step 2: Convert to fraction form
   12,196.10/18,288.75 = 4,404.98/x
3. Step 3: Cross multiply
   12,196.10x = 18,288.75 × 4,404.98
4. Step 4: Simplify right side
   12,196.10x = 80,561,577.98
5. Step 5: Solve for x
   x = 80,561,577.98/12,196.10
6. Step 6: Final answer
   x = 6,605.52