Finding the Fourth Proportional to 3,996.42, 5,998.47 and 3,744.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.42 : 5,998.47 = 3,744.90 : x
2. Step 2: Convert to fraction form
   3,996.42/5,998.47 = 3,744.90/x
3. Step 3: Cross multiply
   3,996.42x = 5,998.47 × 3,744.90
4. Step 4: Simplify right side
   3,996.42x = 22,463,670.30
5. Step 5: Solve for x
   x = 22,463,670.30/3,996.42
6. Step 6: Final answer
   x = 5,620.95