Finding the Fourth Proportional to 7,777.16, 10,732.52 and 4,240.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,777.16 : 10,732.52 = 4,240.43 : x
2. Step 2: Convert to fraction form
   7,777.16/10,732.52 = 4,240.43/x
3. Step 3: Cross multiply
   7,777.16x = 10,732.52 × 4,240.43
4. Step 4: Simplify right side
   7,777.16x = 45,510,456.72
5. Step 5: Solve for x
   x = 45,510,456.72/7,777.16
6. Step 6: Final answer
   x = 5,851.81