Finding the Fourth Proportional to 12,774.94, 17,629.56 and 7,185.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.94 : 17,629.56 = 7,185.94 : x
2. Step 2: Convert to fraction form
   12,774.94/17,629.56 = 7,185.94/x
3. Step 3: Cross multiply
   12,774.94x = 17,629.56 × 7,185.94
4. Step 4: Simplify right side
   12,774.94x = 126,684,960.39
5. Step 5: Solve for x
   x = 126,684,960.39/12,774.94
6. Step 6: Final answer
   x = 9,916.68