Finding the Fourth Proportional to 8,345.30, 12,524.26 and 5,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,345.30 : 12,524.26 = 5,706.50 : x
2. Step 2: Convert to fraction form
   8,345.30/12,524.26 = 5,706.50/x
3. Step 3: Cross multiply
   8,345.30x = 12,524.26 × 5,706.50
4. Step 4: Simplify right side
   8,345.30x = 71,469,689.69
5. Step 5: Solve for x
   x = 71,469,689.69/8,345.30
6. Step 6: Final answer
   x = 8,564.06