Finding the Fourth Proportional to 5,468.45, 8,157.22 and 5,378.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,468.45 : 8,157.22 = 5,378.15 : x
2. Step 2: Convert to fraction form
   5,468.45/8,157.22 = 5,378.15/x
3. Step 3: Cross multiply
   5,468.45x = 8,157.22 × 5,378.15
4. Step 4: Simplify right side
   5,468.45x = 43,870,730.16
5. Step 5: Solve for x
   x = 43,870,730.16/5,468.45
6. Step 6: Final answer
   x = 8,022.52