Finding the Fourth Proportional to 10,086.26, 15,116.67 and 7,165.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.26 : 15,116.67 = 7,165.22 : x
2. Step 2: Convert to fraction form
   10,086.26/15,116.67 = 7,165.22/x
3. Step 3: Cross multiply
   10,086.26x = 15,116.67 × 7,165.22
4. Step 4: Simplify right side
   10,086.26x = 108,314,266.22
5. Step 5: Solve for x
   x = 108,314,266.22/10,086.26
6. Step 6: Final answer
   x = 10,738.79