Finding the Fourth Proportional to 13,026.61, 17,976.69 and 7,058.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.61 : 17,976.69 = 7,058.44 : x
2. Step 2: Convert to fraction form
   13,026.61/17,976.69 = 7,058.44/x
3. Step 3: Cross multiply
   13,026.61x = 17,976.69 × 7,058.44
4. Step 4: Simplify right side
   13,026.61x = 126,887,342.82
5. Step 5: Solve for x
   x = 126,887,342.82/13,026.61
6. Step 6: Final answer
   x = 9,740.63