Finding the Fourth Proportional to 13,073.94, 18,042.06 and 7,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,073.94 : 18,042.06 = 7,105.56 : x
2. Step 2: Convert to fraction form
   13,073.94/18,042.06 = 7,105.56/x
3. Step 3: Cross multiply
   13,073.94x = 18,042.06 × 7,105.56
4. Step 4: Simplify right side
   13,073.94x = 128,198,939.85
5. Step 5: Solve for x
   x = 128,198,939.85/13,073.94
6. Step 6: Final answer
   x = 9,805.69