Finding the Fourth Proportional to 11,150.82, 15,388.32 and 6,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.82 : 15,388.32 = 6,115.50 : x
2. Step 2: Convert to fraction form
   11,150.82/15,388.32 = 6,115.50/x
3. Step 3: Cross multiply
   11,150.82x = 15,388.32 × 6,115.50
4. Step 4: Simplify right side
   11,150.82x = 94,107,270.96
5. Step 5: Solve for x
   x = 94,107,270.96/11,150.82
6. Step 6: Final answer
   x = 8,439.49