Finding the Fourth Proportional to 16,779, 25,173.99 and 5,092.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779 : 25,173.99 = 5,092.23 : x
2. Step 2: Convert to fraction form
   16,779/25,173.99 = 5,092.23/x
3. Step 3: Cross multiply
   16,779x = 25,173.99 × 5,092.23
4. Step 4: Simplify right side
   16,779x = 128,191,747.10
5. Step 5: Solve for x
   x = 128,191,747.10/16,779
6. Step 6: Final answer
   x = 7,640.01