Finding the Fourth Proportional to 12,632.72, 17,433.16 and 7,043.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.72 : 17,433.16 = 7,043.92 : x
2. Step 2: Convert to fraction form
   12,632.72/17,433.16 = 7,043.92/x
3. Step 3: Cross multiply
   12,632.72x = 17,433.16 × 7,043.92
4. Step 4: Simplify right side
   12,632.72x = 122,797,784.39
5. Step 5: Solve for x
   x = 122,797,784.39/12,632.72
6. Step 6: Final answer
   x = 9,720.61