Finding the Fourth Proportional to 9,272.78, 12,796.77 and 5,081.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272.78 : 12,796.77 = 5,081.03 : x
2. Step 2: Convert to fraction form
   9,272.78/12,796.77 = 5,081.03/x
3. Step 3: Cross multiply
   9,272.78x = 12,796.77 × 5,081.03
4. Step 4: Simplify right side
   9,272.78x = 65,020,772.27
5. Step 5: Solve for x
   x = 65,020,772.27/9,272.78
6. Step 6: Final answer
   x = 7,012.00