Finding the Fourth Proportional to 16,791.95, 25,189.34 and 5,105.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,791.95 : 25,189.34 = 5,105.27 : x
2. Step 2: Convert to fraction form
   16,791.95/25,189.34 = 5,105.27/x
3. Step 3: Cross multiply
   16,791.95x = 25,189.34 × 5,105.27
4. Step 4: Simplify right side
   16,791.95x = 128,598,356.30
5. Step 5: Solve for x
   x = 128,598,356.30/16,791.95
6. Step 6: Final answer
   x = 7,658.33