Finding the Fourth Proportional to 12,499.43, 17,249.46 and 6,834.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.43 : 17,249.46 = 6,834.53 : x
2. Step 2: Convert to fraction form
   12,499.43/17,249.46 = 6,834.53/x
3. Step 3: Cross multiply
   12,499.43x = 17,249.46 × 6,834.53
4. Step 4: Simplify right side
   12,499.43x = 117,891,849.74
5. Step 5: Solve for x
   x = 117,891,849.74/12,499.43
6. Step 6: Final answer
   x = 9,431.78