Finding the Fourth Proportional to 12,730.32, 17,564.76 and 8,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.32 : 17,564.76 = 8,550.72 : x
2. Step 2: Convert to fraction form
   12,730.32/17,564.76 = 8,550.72/x
3. Step 3: Cross multiply
   12,730.32x = 17,564.76 × 8,550.72
4. Step 4: Simplify right side
   12,730.32x = 150,191,344.63
5. Step 5: Solve for x
   x = 150,191,344.63/12,730.32
6. Step 6: Final answer
   x = 11,797.92