Finding the Fourth Proportional to 5,414.73, 8,113.59 and 4,185.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,414.73 : 8,113.59 = 4,185.15 : x
2. Step 2: Convert to fraction form
   5,414.73/8,113.59 = 4,185.15/x
3. Step 3: Cross multiply
   5,414.73x = 8,113.59 × 4,185.15
4. Step 4: Simplify right side
   5,414.73x = 33,956,591.19
5. Step 5: Solve for x
   x = 33,956,591.19/5,414.73
6. Step 6: Final answer
   x = 6,271.15