Finding the Fourth Proportional to 12,496.27, 17,245.37 and 7,191.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.27 : 17,245.37 = 7,191.11 : x
2. Step 2: Convert to fraction form
   12,496.27/17,245.37 = 7,191.11/x
3. Step 3: Cross multiply
   12,496.27x = 17,245.37 × 7,191.11
4. Step 4: Simplify right side
   12,496.27x = 124,013,284.41
5. Step 5: Solve for x
   x = 124,013,284.41/12,496.27
6. Step 6: Final answer
   x = 9,924.03