Finding the Fourth Proportional to 12,499.44, 17,245.08 and 8,723.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.44 : 17,245.08 = 8,723.76 : x
2. Step 2: Convert to fraction form
   12,499.44/17,245.08 = 8,723.76/x
3. Step 3: Cross multiply
   12,499.44x = 17,245.08 × 8,723.76
4. Step 4: Simplify right side
   12,499.44x = 150,441,939.10
5. Step 5: Solve for x
   x = 150,441,939.10/12,499.44
6. Step 6: Final answer
   x = 12,035.89