Finding the Fourth Proportional to 3,724.02, 5,138.91 and 3,365.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.02 : 5,138.91 = 3,365.46 : x
2. Step 2: Convert to fraction form
   3,724.02/5,138.91 = 3,365.46/x
3. Step 3: Cross multiply
   3,724.02x = 5,138.91 × 3,365.46
4. Step 4: Simplify right side
   3,724.02x = 17,294,796.05
5. Step 5: Solve for x
   x = 17,294,796.05/3,724.02
6. Step 6: Final answer
   x = 4,644.12