Finding the Fourth Proportional to 16,780.24, 25,188.59 and 6,791.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.24 : 25,188.59 = 6,791.86 : x
2. Step 2: Convert to fraction form
   16,780.24/25,188.59 = 6,791.86/x
3. Step 3: Cross multiply
   16,780.24x = 25,188.59 × 6,791.86
4. Step 4: Simplify right side
   16,780.24x = 171,077,376.88
5. Step 5: Solve for x
   x = 171,077,376.88/16,780.24
6. Step 6: Final answer
   x = 10,195.17