Finding the Fourth Proportional to 9,270.62, 12,793.48 and 5,021.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.62 : 12,793.48 = 5,021.72 : x
2. Step 2: Convert to fraction form
   9,270.62/12,793.48 = 5,021.72/x
3. Step 3: Cross multiply
   9,270.62x = 12,793.48 × 5,021.72
4. Step 4: Simplify right side
   9,270.62x = 64,245,274.39
5. Step 5: Solve for x
   x = 64,245,274.39/9,270.62
6. Step 6: Final answer
   x = 6,929.99