Finding the Fourth Proportional to 12,144.02, 16,759.46 and 7,429.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.02 : 16,759.46 = 7,429.20 : x
2. Step 2: Convert to fraction form
   12,144.02/16,759.46 = 7,429.20/x
3. Step 3: Cross multiply
   12,144.02x = 16,759.46 × 7,429.20
4. Step 4: Simplify right side
   12,144.02x = 124,509,343.09
5. Step 5: Solve for x
   x = 124,509,343.09/12,144.02
6. Step 6: Final answer
   x = 10,252.73