Finding the Fourth Proportional to 7,162.72, 10,760.55 and 5,087.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.72 : 10,760.55 = 5,087.77 : x
2. Step 2: Convert to fraction form
   7,162.72/10,760.55 = 5,087.77/x
3. Step 3: Cross multiply
   7,162.72x = 10,760.55 × 5,087.77
4. Step 4: Simplify right side
   7,162.72x = 54,747,203.47
5. Step 5: Solve for x
   x = 54,747,203.47/7,162.72
6. Step 6: Final answer
   x = 7,643.35