Finding the Fourth Proportional to 6,778.18, 10,168.22 and 2,098.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,778.18 : 10,168.22 = 2,098.59 : x
2. Step 2: Convert to fraction form
   6,778.18/10,168.22 = 2,098.59/x
3. Step 3: Cross multiply
   6,778.18x = 10,168.22 × 2,098.59
4. Step 4: Simplify right side
   6,778.18x = 21,338,924.81
5. Step 5: Solve for x
   x = 21,338,924.81/6,778.18
6. Step 6: Final answer
   x = 3,148.18