Finding the Fourth Proportional to 12,944.58, 17,853.24 and 8,402.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.58 : 17,853.24 = 8,402.29 : x
2. Step 2: Convert to fraction form
   12,944.58/17,853.24 = 8,402.29/x
3. Step 3: Cross multiply
   12,944.58x = 17,853.24 × 8,402.29
4. Step 4: Simplify right side
   12,944.58x = 150,008,099.92
5. Step 5: Solve for x
   x = 150,008,099.92/12,944.58
6. Step 6: Final answer
   x = 11,588.49