Finding the Fourth Proportional to 13,026.72, 17,976.69 and 7,058.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.72 : 17,976.69 = 7,058.25 : x
2. Step 2: Convert to fraction form
   13,026.72/17,976.69 = 7,058.25/x
3. Step 3: Cross multiply
   13,026.72x = 17,976.69 × 7,058.25
4. Step 4: Simplify right side
   13,026.72x = 126,883,972.19
5. Step 5: Solve for x
   x = 126,883,972.19/13,026.72
6. Step 6: Final answer
   x = 9,740.29