Finding the Fourth Proportional to 9,222.87, 12,727.56 and 5,031.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.87 : 12,727.56 = 5,031.12 : x
2. Step 2: Convert to fraction form
   9,222.87/12,727.56 = 5,031.12/x
3. Step 3: Cross multiply
   9,222.87x = 12,727.56 × 5,031.12
4. Step 4: Simplify right side
   9,222.87x = 64,033,881.67
5. Step 5: Solve for x
   x = 64,033,881.67/9,222.87
6. Step 6: Final answer
   x = 6,942.95