Finding the Fourth Proportional to 7,162.78, 10,742.27 and 5,076.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.78 : 10,742.27 = 5,076.62 : x
2. Step 2: Convert to fraction form
   7,162.78/10,742.27 = 5,076.62/x
3. Step 3: Cross multiply
   7,162.78x = 10,742.27 × 5,076.62
4. Step 4: Simplify right side
   7,162.78x = 54,534,472.90
5. Step 5: Solve for x
   x = 54,534,472.90/7,162.78
6. Step 6: Final answer
   x = 7,613.59