Finding the Fourth Proportional to 6,839.16, 10,250.78 and 3,141.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,839.16 : 10,250.78 = 3,141.78 : x
2. Step 2: Convert to fraction form
   6,839.16/10,250.78 = 3,141.78/x
3. Step 3: Cross multiply
   6,839.16x = 10,250.78 × 3,141.78
4. Step 4: Simplify right side
   6,839.16x = 32,205,695.59
5. Step 5: Solve for x
   x = 32,205,695.59/6,839.16
6. Step 6: Final answer
   x = 4,709.01