Finding the Fourth Proportional to 9,223.57, 12,728.73 and 5,031.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.57 : 12,728.73 = 5,031.82 : x
2. Step 2: Convert to fraction form
   9,223.57/12,728.73 = 5,031.82/x
3. Step 3: Cross multiply
   9,223.57x = 12,728.73 × 5,031.82
4. Step 4: Simplify right side
   9,223.57x = 64,048,678.19
5. Step 5: Solve for x
   x = 64,048,678.19/9,223.57
6. Step 6: Final answer
   x = 6,944.02