Finding the Fourth Proportional to 9,367.62, 12,921.57 and 5,588.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367.62 : 12,921.57 = 5,588.16 : x
2. Step 2: Convert to fraction form
   9,367.62/12,921.57 = 5,588.16/x
3. Step 3: Cross multiply
   9,367.62x = 12,921.57 × 5,588.16
4. Step 4: Simplify right side
   9,367.62x = 72,207,800.61
5. Step 5: Solve for x
   x = 72,207,800.61/9,367.62
6. Step 6: Final answer
   x = 7,708.23