Finding the Fourth Proportional to 9,171.52, 12,650.22 and 5,636.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.52 : 12,650.22 = 5,636.68 : x
2. Step 2: Convert to fraction form
   9,171.52/12,650.22 = 5,636.68/x
3. Step 3: Cross multiply
   9,171.52x = 12,650.22 × 5,636.68
4. Step 4: Simplify right side
   9,171.52x = 71,305,242.07
5. Step 5: Solve for x
   x = 71,305,242.07/9,171.52
6. Step 6: Final answer
   x = 7,774.64