Finding the Fourth Proportional to 5,608.91, 8,347.15 and 5,422.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608.91 : 8,347.15 = 5,422.04 : x
2. Step 2: Convert to fraction form
   5,608.91/8,347.15 = 5,422.04/x
3. Step 3: Cross multiply
   5,608.91x = 8,347.15 × 5,422.04
4. Step 4: Simplify right side
   5,608.91x = 45,258,621.10
5. Step 5: Solve for x
   x = 45,258,621.10/5,608.91
6. Step 6: Final answer
   x = 8,069.07