Finding the Fourth Proportional to 9,650.22, 13,317.55 and 5,671.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,650.22 : 13,317.55 = 5,671.55 : x
2. Step 2: Convert to fraction form
   9,650.22/13,317.55 = 5,671.55/x
3. Step 3: Cross multiply
   9,650.22x = 13,317.55 × 5,671.55
4. Step 4: Simplify right side
   9,650.22x = 75,531,091.20
5. Step 5: Solve for x
   x = 75,531,091.20/9,650.22
6. Step 6: Final answer
   x = 7,826.88