Finding the Fourth Proportional to 6,908.18, 10,364.82 and 4,136.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,908.18 : 10,364.82 = 4,136.79 : x
2. Step 2: Convert to fraction form
   6,908.18/10,364.82 = 4,136.79/x
3. Step 3: Cross multiply
   6,908.18x = 10,364.82 × 4,136.79
4. Step 4: Simplify right side
   6,908.18x = 42,877,083.73
5. Step 5: Solve for x
   x = 42,877,083.73/6,908.18
6. Step 6: Final answer
   x = 6,206.72