Finding the Fourth Proportional to 12,424.92, 17,144.22 and 7,047.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,424.92 : 17,144.22 = 7,047.10 : x
2. Step 2: Convert to fraction form
   12,424.92/17,144.22 = 7,047.10/x
3. Step 3: Cross multiply
   12,424.92x = 17,144.22 × 7,047.10
4. Step 4: Simplify right side
   12,424.92x = 120,817,032.76
5. Step 5: Solve for x
   x = 120,817,032.76/12,424.92
6. Step 6: Final answer
   x = 9,723.77