Finding the Fourth Proportional to 3,994.01, 5,962.31 and 3,171.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.01 : 5,962.31 = 3,171.15 : x
2. Step 2: Convert to fraction form
   3,994.01/5,962.31 = 3,171.15/x
3. Step 3: Cross multiply
   3,994.01x = 5,962.31 × 3,171.15
4. Step 4: Simplify right side
   3,994.01x = 18,907,375.39
5. Step 5: Solve for x
   x = 18,907,375.39/3,994.01
6. Step 6: Final answer
   x = 4,733.93