Finding the Fourth Proportional to 3,996.96, 5,996.24 and 1,401.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.96 : 5,996.24 = 1,401.72 : x
2. Step 2: Convert to fraction form
   3,996.96/5,996.24 = 1,401.72/x
3. Step 3: Cross multiply
   3,996.96x = 5,996.24 × 1,401.72
4. Step 4: Simplify right side
   3,996.96x = 8,405,049.53
5. Step 5: Solve for x
   x = 8,405,049.53/3,996.96
6. Step 6: Final answer
   x = 2,102.86