Finding the Fourth Proportional to 5,441.02, 8,158.28 and 3,688.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,441.02 : 8,158.28 = 3,688.18 : x
2. Step 2: Convert to fraction form
   5,441.02/8,158.28 = 3,688.18/x
3. Step 3: Cross multiply
   5,441.02x = 8,158.28 × 3,688.18
4. Step 4: Simplify right side
   5,441.02x = 30,089,205.13
5. Step 5: Solve for x
   x = 30,089,205.13/5,441.02
6. Step 6: Final answer
   x = 5,530.07