Finding the Fourth Proportional to 9,275.91, 12,800.39 and 5,084.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,275.91 : 12,800.39 = 5,084.16 : x
2. Step 2: Convert to fraction form
   9,275.91/12,800.39 = 5,084.16/x
3. Step 3: Cross multiply
   9,275.91x = 12,800.39 × 5,084.16
4. Step 4: Simplify right side
   9,275.91x = 65,079,230.82
5. Step 5: Solve for x
   x = 65,079,230.82/9,275.91
6. Step 6: Final answer
   x = 7,015.94