Finding the Fourth Proportional to 12,800.24, 17,664.52 and 7,134.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,800.24 : 17,664.52 = 7,134.83 : x
2. Step 2: Convert to fraction form
   12,800.24/17,664.52 = 7,134.83/x
3. Step 3: Cross multiply
   12,800.24x = 17,664.52 × 7,134.83
4. Step 4: Simplify right side
   12,800.24x = 126,033,347.23
5. Step 5: Solve for x
   x = 126,033,347.23/12,800.24
6. Step 6: Final answer
   x = 9,846.17