Finding the Fourth Proportional to 6,171.39, 8,505.27 and 5,454.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,171.39 : 8,505.27 = 5,454.54 : x
2. Step 2: Convert to fraction form
   6,171.39/8,505.27 = 5,454.54/x
3. Step 3: Cross multiply
   6,171.39x = 8,505.27 × 5,454.54
4. Step 4: Simplify right side
   6,171.39x = 46,392,335.43
5. Step 5: Solve for x
   x = 46,392,335.43/6,171.39
6. Step 6: Final answer
   x = 7,517.32