Finding the Fourth Proportional to 13,944.06, 19,251.81 and 8,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,944.06 : 19,251.81 = 8,644.50 : x
2. Step 2: Convert to fraction form
   13,944.06/19,251.81 = 8,644.50/x
3. Step 3: Cross multiply
   13,944.06x = 19,251.81 × 8,644.50
4. Step 4: Simplify right side
   13,944.06x = 166,422,271.55
5. Step 5: Solve for x
   x = 166,422,271.55/13,944.06
6. Step 6: Final answer
   x = 11,934.99