Finding the Fourth Proportional to 9,767.22, 13,478.72 and 5,575.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.22 : 13,478.72 = 5,575.47 : x
2. Step 2: Convert to fraction form
   9,767.22/13,478.72 = 5,575.47/x
3. Step 3: Cross multiply
   9,767.22x = 13,478.72 × 5,575.47
4. Step 4: Simplify right side
   9,767.22x = 75,150,171.12
5. Step 5: Solve for x
   x = 75,150,171.12/9,767.22
6. Step 6: Final answer
   x = 7,694.12