Finding the Fourth Proportional to 5,436.42, 7,500.45 and 3,757.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.42 : 7,500.45 = 3,757.22 : x
2. Step 2: Convert to fraction form
   5,436.42/7,500.45 = 3,757.22/x
3. Step 3: Cross multiply
   5,436.42x = 7,500.45 × 3,757.22
4. Step 4: Simplify right side
   5,436.42x = 28,180,840.75
5. Step 5: Solve for x
   x = 28,180,840.75/5,436.42
6. Step 6: Final answer
   x = 5,183.71