Finding the Fourth Proportional to 10,086.29, 15,118.22 and 7,613.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.29 : 15,118.22 = 7,613.09 : x
2. Step 2: Convert to fraction form
   10,086.29/15,118.22 = 7,613.09/x
3. Step 3: Cross multiply
   10,086.29x = 15,118.22 × 7,613.09
4. Step 4: Simplify right side
   10,086.29x = 115,096,255.84
5. Step 5: Solve for x
   x = 115,096,255.84/10,086.29
6. Step 6: Final answer
   x = 11,411.16