Finding the Fourth Proportional to 9,272.96, 12,796.62 and 5,081.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272.96 : 12,796.62 = 5,081.12 : x
2. Step 2: Convert to fraction form
   9,272.96/12,796.62 = 5,081.12/x
3. Step 3: Cross multiply
   9,272.96x = 12,796.62 × 5,081.12
4. Step 4: Simplify right side
   9,272.96x = 65,021,161.81
5. Step 5: Solve for x
   x = 65,021,161.81/9,272.96
6. Step 6: Final answer
   x = 7,011.91