Finding the Fourth Proportional to 12,211.23, 16,849.83 and 7,105.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,211.23 : 16,849.83 = 7,105.35 : x
2. Step 2: Convert to fraction form
   12,211.23/16,849.83 = 7,105.35/x
3. Step 3: Cross multiply
   12,211.23x = 16,849.83 × 7,105.35
4. Step 4: Simplify right side
   12,211.23x = 119,723,939.59
5. Step 5: Solve for x
   x = 119,723,939.59/12,211.23
6. Step 6: Final answer
   x = 9,804.41