Finding the Fourth Proportional to 2,133.05, 3,200.50 and 747.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.05 : 3,200.50 = 747.38 : x
2. Step 2: Convert to fraction form
   2,133.05/3,200.50 = 747.38/x
3. Step 3: Cross multiply
   2,133.05x = 3,200.50 × 747.38
4. Step 4: Simplify right side
   2,133.05x = 2,391,989.69
5. Step 5: Solve for x
   x = 2,391,989.69/2,133.05
6. Step 6: Final answer
   x = 1,121.39