Finding the Fourth Proportional to 11,191.47, 15,443.91 and 6,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.47 : 15,443.91 = 6,155.69 : x
2. Step 2: Convert to fraction form
   11,191.47/15,443.91 = 6,155.69/x
3. Step 3: Cross multiply
   11,191.47x = 15,443.91 × 6,155.69
4. Step 4: Simplify right side
   11,191.47x = 95,067,845.13
5. Step 5: Solve for x
   x = 95,067,845.13/11,191.47
6. Step 6: Final answer
   x = 8,494.67