Finding the Fourth Proportional to 8,165.98, 12,249.78 and 2,617.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,165.98 : 12,249.78 = 2,617.93 : x
2. Step 2: Convert to fraction form
   8,165.98/12,249.78 = 2,617.93/x
3. Step 3: Cross multiply
   8,165.98x = 12,249.78 × 2,617.93
4. Step 4: Simplify right side
   8,165.98x = 32,069,066.56
5. Step 5: Solve for x
   x = 32,069,066.56/8,165.98
6. Step 6: Final answer
   x = 3,927.15