Finding the Fourth Proportional to 16,781.72, 25,176.24 and 5,095.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.72 : 25,176.24 = 5,095.85 : x
2. Step 2: Convert to fraction form
   16,781.72/25,176.24 = 5,095.85/x
3. Step 3: Cross multiply
   16,781.72x = 25,176.24 × 5,095.85
4. Step 4: Simplify right side
   16,781.72x = 128,294,216.72
5. Step 5: Solve for x
   x = 128,294,216.72/16,781.72
6. Step 6: Final answer
   x = 7,644.88