Finding the Fourth Proportional to 11,155.82, 15,394.38 and 6,119.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.82 : 15,394.38 = 6,119.15 : x
2. Step 2: Convert to fraction form
   11,155.82/15,394.38 = 6,119.15/x
3. Step 3: Cross multiply
   11,155.82x = 15,394.38 × 6,119.15
4. Step 4: Simplify right side
   11,155.82x = 94,200,520.38
5. Step 5: Solve for x
   x = 94,200,520.38/11,155.82
6. Step 6: Final answer
   x = 8,444.07