Finding the Fourth Proportional to 9,269.73, 12,792.24 and 5,290.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.73 : 12,792.24 = 5,290.76 : x
2. Step 2: Convert to fraction form
   9,269.73/12,792.24 = 5,290.76/x
3. Step 3: Cross multiply
   9,269.73x = 12,792.24 × 5,290.76
4. Step 4: Simplify right side
   9,269.73x = 67,680,671.70
5. Step 5: Solve for x
   x = 67,680,671.70/9,269.73
6. Step 6: Final answer
   x = 7,301.26