Finding the Fourth Proportional to 43,353.04, 65,022.16 and 12,181

Step by Step Solution

1. Step 1: Write the proportion equation
   43,353.04 : 65,022.16 = 12,181 : x
2. Step 2: Convert to fraction form
   43,353.04/65,022.16 = 12,181/x
3. Step 3: Cross multiply
   43,353.04x = 65,022.16 × 12,181
4. Step 4: Simplify right side
   43,353.04x = 792,034,930.96
5. Step 5: Solve for x
   x = 792,034,930.96/43,353.04
6. Step 6: Final answer
   x = 18,269.42