Finding the Fourth Proportional to 11,944.39, 17,916.56 and 3,179.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,944.39 : 17,916.56 = 3,179.31 : x
2. Step 2: Convert to fraction form
   11,944.39/17,916.56 = 3,179.31/x
3. Step 3: Cross multiply
   11,944.39x = 17,916.56 × 3,179.31
4. Step 4: Simplify right side
   11,944.39x = 56,962,298.37
5. Step 5: Solve for x
   x = 56,962,298.37/11,944.39
6. Step 6: Final answer
   x = 4,768.96