Finding the Fourth Proportional to 9,269.72, 12,792.22 and 5,020.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.72 : 12,792.22 = 5,020.79 : x
2. Step 2: Convert to fraction form
   9,269.72/12,792.22 = 5,020.79/x
3. Step 3: Cross multiply
   9,269.72x = 12,792.22 × 5,020.79
4. Step 4: Simplify right side
   9,269.72x = 64,226,986.29
5. Step 5: Solve for x
   x = 64,226,986.29/9,269.72
6. Step 6: Final answer
   x = 6,928.69