Finding the Fourth Proportional to 3,507.89, 5,233.53 and 3,380.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507.89 : 5,233.53 = 3,380.27 : x
2. Step 2: Convert to fraction form
   3,507.89/5,233.53 = 3,380.27/x
3. Step 3: Cross multiply
   3,507.89x = 5,233.53 × 3,380.27
4. Step 4: Simplify right side
   3,507.89x = 17,690,744.45
5. Step 5: Solve for x
   x = 17,690,744.45/3,507.89
6. Step 6: Final answer
   x = 5,043.13