Finding the Fourth Proportional to 5,855.47, 8,076.85 and 4,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855.47 : 8,076.85 = 4,086.43 : x
2. Step 2: Convert to fraction form
   5,855.47/8,076.85 = 4,086.43/x
3. Step 3: Cross multiply
   5,855.47x = 8,076.85 × 4,086.43
4. Step 4: Simplify right side
   5,855.47x = 33,005,482.15
5. Step 5: Solve for x
   x = 33,005,482.15/5,855.47
6. Step 6: Final answer
   x = 5,636.69