Finding the Fourth Proportional to 5,611.35, 7,745.46 and 3,620.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.35 : 7,745.46 = 3,620.37 : x
2. Step 2: Convert to fraction form
   5,611.35/7,745.46 = 3,620.37/x
3. Step 3: Cross multiply
   5,611.35x = 7,745.46 × 3,620.37
4. Step 4: Simplify right side
   5,611.35x = 28,041,431.02
5. Step 5: Solve for x
   x = 28,041,431.02/5,611.35
6. Step 6: Final answer
   x = 4,997.27