Finding the Fourth Proportional to 13,026.25, 17,976.22 and 7,057.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.25 : 17,976.22 = 7,057.92 : x
2. Step 2: Convert to fraction form
   13,026.25/17,976.22 = 7,057.92/x
3. Step 3: Cross multiply
   13,026.25x = 17,976.22 × 7,057.92
4. Step 4: Simplify right side
   13,026.25x = 126,874,705.02
5. Step 5: Solve for x
   x = 126,874,705.02/13,026.25
6. Step 6: Final answer
   x = 9,739.93