Finding the Fourth Proportional to 13,028.85, 17,979.71 and 7,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.85 : 17,979.71 = 7,060.50 : x
2. Step 2: Convert to fraction form
   13,028.85/17,979.71 = 7,060.50/x
3. Step 3: Cross multiply
   13,028.85x = 17,979.71 × 7,060.50
4. Step 4: Simplify right side
   13,028.85x = 126,945,707.15
5. Step 5: Solve for x
   x = 126,945,707.15/13,028.85
6. Step 6: Final answer
   x = 9,743.43