Finding the Fourth Proportional to 5,611.51, 7,745.46 and 3,933.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.51 : 7,745.46 = 3,933.37 : x
2. Step 2: Convert to fraction form
   5,611.51/7,745.46 = 3,933.37/x
3. Step 3: Cross multiply
   5,611.51x = 7,745.46 × 3,933.37
4. Step 4: Simplify right side
   5,611.51x = 30,465,721.27
5. Step 5: Solve for x
   x = 30,465,721.27/5,611.51
6. Step 6: Final answer
   x = 5,429.15