Finding the Fourth Proportional to 1,966.24, 2,712.72 and 1,179.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966.24 : 2,712.72 = 1,179.68 : x
2. Step 2: Convert to fraction form
   1,966.24/2,712.72 = 1,179.68/x
3. Step 3: Cross multiply
   1,966.24x = 2,712.72 × 1,179.68
4. Step 4: Simplify right side
   1,966.24x = 3,200,141.53
5. Step 5: Solve for x
   x = 3,200,141.53/1,966.24
6. Step 6: Final answer
   x = 1,627.54