Finding the Fourth Proportional to 12,730.73, 17,564.42 and 7,352.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.73 : 17,564.42 = 7,352.48 : x
2. Step 2: Convert to fraction form
   12,730.73/17,564.42 = 7,352.48/x
3. Step 3: Cross multiply
   12,730.73x = 17,564.42 × 7,352.48
4. Step 4: Simplify right side
   12,730.73x = 129,141,922.18
5. Step 5: Solve for x
   x = 129,141,922.18/12,730.73
6. Step 6: Final answer
   x = 10,144.11