Finding the Fourth Proportional to 9,245.17, 12,759.22 and 5,469.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,245.17 : 12,759.22 = 5,469.55 : x
2. Step 2: Convert to fraction form
   9,245.17/12,759.22 = 5,469.55/x
3. Step 3: Cross multiply
   9,245.17x = 12,759.22 × 5,469.55
4. Step 4: Simplify right side
   9,245.17x = 69,787,141.63
5. Step 5: Solve for x
   x = 69,787,141.63/9,245.17
6. Step 6: Final answer
   x = 7,548.50