Finding the Fourth Proportional to 8,730.24, 12,054.24 and 5,588.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,730.24 : 12,054.24 = 5,588.16 : x
2. Step 2: Convert to fraction form
   8,730.24/12,054.24 = 5,588.16/x
3. Step 3: Cross multiply
   8,730.24x = 12,054.24 × 5,588.16
4. Step 4: Simplify right side
   8,730.24x = 67,361,021.80
5. Step 5: Solve for x
   x = 67,361,021.80/8,730.24
6. Step 6: Final answer
   x = 7,715.83