Finding the Fourth Proportional to 6,369.59, 8,774.34 and 5,422.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369.59 : 8,774.34 = 5,422.34 : x
2. Step 2: Convert to fraction form
   6,369.59/8,774.34 = 5,422.34/x
3. Step 3: Cross multiply
   6,369.59x = 8,774.34 × 5,422.34
4. Step 4: Simplify right side
   6,369.59x = 47,577,410.88
5. Step 5: Solve for x
   x = 47,577,410.88/6,369.59
6. Step 6: Final answer
   x = 7,469.47