Finding the Fourth Proportional to 9,223.34, 12,728.16 and 5,031.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.34 : 12,728.16 = 5,031.59 : x
2. Step 2: Convert to fraction form
   9,223.34/12,728.16 = 5,031.59/x
3. Step 3: Cross multiply
   9,223.34x = 12,728.16 × 5,031.59
4. Step 4: Simplify right side
   9,223.34x = 64,042,818.93
5. Step 5: Solve for x
   x = 64,042,818.93/9,223.34
6. Step 6: Final answer
   x = 6,943.56