Finding the Fourth Proportional to 12,630.24, 17,429.76 and 7,041.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,630.24 : 17,429.76 = 7,041.60 : x
2. Step 2: Convert to fraction form
   12,630.24/17,429.76 = 7,041.60/x
3. Step 3: Cross multiply
   12,630.24x = 17,429.76 × 7,041.60
4. Step 4: Simplify right side
   12,630.24x = 122,733,398.02
5. Step 5: Solve for x
   x = 122,733,398.02/12,630.24
6. Step 6: Final answer
   x = 9,717.42