Finding the Fourth Proportional to 12,960.73, 17,885.61 and 7,295.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,960.73 : 17,885.61 = 7,295.47 : x
2. Step 2: Convert to fraction form
   12,960.73/17,885.61 = 7,295.47/x
3. Step 3: Cross multiply
   12,960.73x = 17,885.61 × 7,295.47
4. Step 4: Simplify right side
   12,960.73x = 130,483,886.47
5. Step 5: Solve for x
   x = 130,483,886.47/12,960.73
6. Step 6: Final answer
   x = 10,067.63