Finding the Fourth Proportional to 12,499.50, 17,249.69 and 6,834.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.50 : 17,249.69 = 6,834.12 : x
2. Step 2: Convert to fraction form
   12,499.50/17,249.69 = 6,834.12/x
3. Step 3: Cross multiply
   12,499.50x = 17,249.69 × 6,834.12
4. Step 4: Simplify right side
   12,499.50x = 117,886,417.25
5. Step 5: Solve for x
   x = 117,886,417.25/12,499.50
6. Step 6: Final answer
   x = 9,431.29