Finding the Fourth Proportional to 2,105.14, 3,152.85 and 1,179.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.14 : 3,152.85 = 1,179.31 : x
2. Step 2: Convert to fraction form
   2,105.14/3,152.85 = 1,179.31/x
3. Step 3: Cross multiply
   2,105.14x = 3,152.85 × 1,179.31
4. Step 4: Simplify right side
   2,105.14x = 3,718,187.53
5. Step 5: Solve for x
   x = 3,718,187.53/2,105.14
6. Step 6: Final answer
   x = 1,766.24