Finding the Fourth Proportional to 12,332.22, 17,017.60 and 7,789.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,332.22 : 17,017.60 = 7,789.61 : x
2. Step 2: Convert to fraction form
   12,332.22/17,017.60 = 7,789.61/x
3. Step 3: Cross multiply
   12,332.22x = 17,017.60 × 7,789.61
4. Step 4: Simplify right side
   12,332.22x = 132,560,467.14
5. Step 5: Solve for x
   x = 132,560,467.14/12,332.22
6. Step 6: Final answer
   x = 10,749.12