Finding the Fourth Proportional to 11,191.43, 15,443.39 and 6,155.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.43 : 15,443.39 = 6,155.87 : x
2. Step 2: Convert to fraction form
   11,191.43/15,443.39 = 6,155.87/x
3. Step 3: Cross multiply
   11,191.43x = 15,443.39 × 6,155.87
4. Step 4: Simplify right side
   11,191.43x = 95,067,439.37
5. Step 5: Solve for x
   x = 95,067,439.37/11,191.43
6. Step 6: Final answer
   x = 8,494.66