Finding the Fourth Proportional to 12,359.24, 17,055.22 and 7,644.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.24 : 17,055.22 = 7,644.04 : x
2. Step 2: Convert to fraction form
   12,359.24/17,055.22 = 7,644.04/x
3. Step 3: Cross multiply
   12,359.24x = 17,055.22 × 7,644.04
4. Step 4: Simplify right side
   12,359.24x = 130,370,783.89
5. Step 5: Solve for x
   x = 130,370,783.89/12,359.24
6. Step 6: Final answer
   x = 10,548.45