Finding the Fourth Proportional to 10,086.41, 15,118.41 and 7,613.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.41 : 15,118.41 = 7,613.21 : x
2. Step 2: Convert to fraction form
   10,086.41/15,118.41 = 7,613.21/x
3. Step 3: Cross multiply
   10,086.41x = 15,118.41 × 7,613.21
4. Step 4: Simplify right side
   10,086.41x = 115,099,630.20
5. Step 5: Solve for x
   x = 115,099,630.20/10,086.41
6. Step 6: Final answer
   x = 11,411.36