Finding the Fourth Proportional to 9,269.85, 12,792.31 and 5,020.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.85 : 12,792.31 = 5,020.81 : x
2. Step 2: Convert to fraction form
   9,269.85/12,792.31 = 5,020.81/x
3. Step 3: Cross multiply
   9,269.85x = 12,792.31 × 5,020.81
4. Step 4: Simplify right side
   9,269.85x = 64,227,732.27
5. Step 5: Solve for x
   x = 64,227,732.27/9,269.85
6. Step 6: Final answer
   x = 6,928.67