Finding the Fourth Proportional to 10,794.06, 16,191.78 and 3,398.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,794.06 : 16,191.78 = 3,398.80 : x
2. Step 2: Convert to fraction form
   10,794.06/16,191.78 = 3,398.80/x
3. Step 3: Cross multiply
   10,794.06x = 16,191.78 × 3,398.80
4. Step 4: Simplify right side
   10,794.06x = 55,032,621.86
5. Step 5: Solve for x
   x = 55,032,621.86/10,794.06
6. Step 6: Final answer
   x = 5,098.42