Finding the Fourth Proportional to 5,401.48, 8,102.65 and 3,949.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.48 : 8,102.65 = 3,949.82 : x
2. Step 2: Convert to fraction form
   5,401.48/8,102.65 = 3,949.82/x
3. Step 3: Cross multiply
   5,401.48x = 8,102.65 × 3,949.82
4. Step 4: Simplify right side
   5,401.48x = 32,004,009.02
5. Step 5: Solve for x
   x = 32,004,009.02/5,401.48
6. Step 6: Final answer
   x = 5,925.05