Finding the Fourth Proportional to 7,707.75, 10,636.71 and 5,351.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,707.75 : 10,636.71 = 5,351.27 : x
2. Step 2: Convert to fraction form
   7,707.75/10,636.71 = 5,351.27/x
3. Step 3: Cross multiply
   7,707.75x = 10,636.71 × 5,351.27
4. Step 4: Simplify right side
   7,707.75x = 56,919,853.94
5. Step 5: Solve for x
   x = 56,919,853.94/7,707.75
6. Step 6: Final answer
   x = 7,384.76