Finding the Fourth Proportional to 12,410.94, 17,131.09 and 7,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,410.94 : 17,131.09 = 7,946.72 : x
2. Step 2: Convert to fraction form
   12,410.94/17,131.09 = 7,946.72/x
3. Step 3: Cross multiply
   12,410.94x = 17,131.09 × 7,946.72
4. Step 4: Simplify right side
   12,410.94x = 136,135,975.52
5. Step 5: Solve for x
   x = 136,135,975.52/12,410.94
6. Step 6: Final answer
   x = 10,969.03