Finding the Fourth Proportional to 12,747.47, 17,606.22 and 8,491.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.47 : 17,606.22 = 8,491.52 : x
2. Step 2: Convert to fraction form
   12,747.47/17,606.22 = 8,491.52/x
3. Step 3: Cross multiply
   12,747.47x = 17,606.22 × 8,491.52
4. Step 4: Simplify right side
   12,747.47x = 149,503,569.25
5. Step 5: Solve for x
   x = 149,503,569.25/12,747.47
6. Step 6: Final answer
   x = 11,728.10