Finding the Fourth Proportional to 11,058.72, 15,263.27 and 6,811.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.72 : 15,263.27 = 6,811.89 : x
2. Step 2: Convert to fraction form
   11,058.72/15,263.27 = 6,811.89/x
3. Step 3: Cross multiply
   11,058.72x = 15,263.27 × 6,811.89
4. Step 4: Simplify right side
   11,058.72x = 103,971,716.28
5. Step 5: Solve for x
   x = 103,971,716.28/11,058.72
6. Step 6: Final answer
   x = 9,401.79