Finding the Fourth Proportional to 6,240.78, 8,614.71 and 3,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,240.78 : 8,614.71 = 3,851.10 : x
2. Step 2: Convert to fraction form
   6,240.78/8,614.71 = 3,851.10/x
3. Step 3: Cross multiply
   6,240.78x = 8,614.71 × 3,851.10
4. Step 4: Simplify right side
   6,240.78x = 33,176,109.68
5. Step 5: Solve for x
   x = 33,176,109.68/6,240.78
6. Step 6: Final answer
   x = 5,316.02