Finding the Fourth Proportional to 9,269.88, 12,792.43 and 5,078.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.88 : 12,792.43 = 5,078.13 : x
2. Step 2: Convert to fraction form
   9,269.88/12,792.43 = 5,078.13/x
3. Step 3: Cross multiply
   9,269.88x = 12,792.43 × 5,078.13
4. Step 4: Simplify right side
   9,269.88x = 64,961,622.56
5. Step 5: Solve for x
   x = 64,961,622.56/9,269.88
6. Step 6: Final answer
   x = 7,007.82