Finding the Fourth Proportional to 12,499.59, 17,249.43 and 6,834.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.59 : 17,249.43 = 6,834.37 : x
2. Step 2: Convert to fraction form
   12,499.59/17,249.43 = 6,834.37/x
3. Step 3: Cross multiply
   12,499.59x = 17,249.43 × 6,834.37
4. Step 4: Simplify right side
   12,499.59x = 117,889,001.76
5. Step 5: Solve for x
   x = 117,889,001.76/12,499.59
6. Step 6: Final answer
   x = 9,431.43