Finding the Fourth Proportional to 2,738.86, 4,105.51 and 1,179.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.86 : 4,105.51 = 1,179.88 : x
2. Step 2: Convert to fraction form
   2,738.86/4,105.51 = 1,179.88/x
3. Step 3: Cross multiply
   2,738.86x = 4,105.51 × 1,179.88
4. Step 4: Simplify right side
   2,738.86x = 4,844,009.14
5. Step 5: Solve for x
   x = 4,844,009.14/2,738.86
6. Step 6: Final answer
   x = 1,768.62