Finding the Fourth Proportional to 12,179.74, 18,270.28 and 5,945.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,179.74 : 18,270.28 = 5,945.06 : x
2. Step 2: Convert to fraction form
   12,179.74/18,270.28 = 5,945.06/x
3. Step 3: Cross multiply
   12,179.74x = 18,270.28 × 5,945.06
4. Step 4: Simplify right side
   12,179.74x = 108,617,910.82
5. Step 5: Solve for x
   x = 108,617,910.82/12,179.74
6. Step 6: Final answer
   x = 8,917.92