Finding the Fourth Proportional to 9,081.94, 12,529.95 and 5,676.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.94 : 12,529.95 = 5,676.64 : x
2. Step 2: Convert to fraction form
   9,081.94/12,529.95 = 5,676.64/x
3. Step 3: Cross multiply
   9,081.94x = 12,529.95 × 5,676.64
4. Step 4: Simplify right side
   9,081.94x = 71,128,015.37
5. Step 5: Solve for x
   x = 71,128,015.37/9,081.94
6. Step 6: Final answer
   x = 7,831.81