Finding the Fourth Proportional to 12,336.22, 17,025.78 and 7,031.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,336.22 : 17,025.78 = 7,031.56 : x
2. Step 2: Convert to fraction form
   12,336.22/17,025.78 = 7,031.56/x
3. Step 3: Cross multiply
   12,336.22x = 17,025.78 × 7,031.56
4. Step 4: Simplify right side
   12,336.22x = 119,717,793.62
5. Step 5: Solve for x
   x = 119,717,793.62/12,336.22
6. Step 6: Final answer
   x = 9,704.58