Finding the Fourth Proportional to 7,776.72, 10,732.10 and 4,240.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,776.72 : 10,732.10 = 4,240.13 : x
2. Step 2: Convert to fraction form
   7,776.72/10,732.10 = 4,240.13/x
3. Step 3: Cross multiply
   7,776.72x = 10,732.10 × 4,240.13
4. Step 4: Simplify right side
   7,776.72x = 45,505,424.31
5. Step 5: Solve for x
   x = 45,505,424.31/7,776.72
6. Step 6: Final answer
   x = 5,851.49