Finding the Fourth Proportional to 3,998.57, 5,996.94 and 1,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998.57 : 5,996.94 = 1,401.50 : x
2. Step 2: Convert to fraction form
   3,998.57/5,996.94 = 1,401.50/x
3. Step 3: Cross multiply
   3,998.57x = 5,996.94 × 1,401.50
4. Step 4: Simplify right side
   3,998.57x = 8,404,721.15
5. Step 5: Solve for x
   x = 8,404,721.15/3,998.57
6. Step 6: Final answer
   x = 2,101.93