Finding the Fourth Proportional to 7,909.29, 10,909.22 and 5,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,909.29 : 10,909.22 = 5,076.72 : x
2. Step 2: Convert to fraction form
   7,909.29/10,909.22 = 5,076.72/x
3. Step 3: Cross multiply
   7,909.29x = 10,909.22 × 5,076.72
4. Step 4: Simplify right side
   7,909.29x = 55,383,029.97
5. Step 5: Solve for x
   x = 55,383,029.97/7,909.29
6. Step 6: Final answer
   x = 7,002.28