Finding the Fourth Proportional to 13,012.40, 17,949.24 and 9,606.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.40 : 17,949.24 = 9,606.04 : x
2. Step 2: Convert to fraction form
   13,012.40/17,949.24 = 9,606.04/x
3. Step 3: Cross multiply
   13,012.40x = 17,949.24 × 9,606.04
4. Step 4: Simplify right side
   13,012.40x = 172,421,117.41
5. Step 5: Solve for x
   x = 172,421,117.41/13,012.40
6. Step 6: Final answer
   x = 13,250.52