Finding the Fourth Proportional to 12,055.12, 18,049.07 and 10,945.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.12 : 18,049.07 = 10,945.69 : x
2. Step 2: Convert to fraction form
   12,055.12/18,049.07 = 10,945.69/x
3. Step 3: Cross multiply
   12,055.12x = 18,049.07 × 10,945.69
4. Step 4: Simplify right side
   12,055.12x = 197,559,507.25
5. Step 5: Solve for x
   x = 197,559,507.25/12,055.12
6. Step 6: Final answer
   x = 16,388.02