Finding the Fourth Proportional to 9,269.78, 12,792.23 and 5,020.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.78 : 12,792.23 = 5,020.75 : x
2. Step 2: Convert to fraction form
   9,269.78/12,792.23 = 5,020.75/x
3. Step 3: Cross multiply
   9,269.78x = 12,792.23 × 5,020.75
4. Step 4: Simplify right side
   9,269.78x = 64,226,499.71
5. Step 5: Solve for x
   x = 64,226,499.71/9,269.78
6. Step 6: Final answer
   x = 6,928.59