Finding the Fourth Proportional to 1,979.92, 2,967.83 and 1,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979.92 : 2,967.83 = 1,155.69 : x
2. Step 2: Convert to fraction form
   1,979.92/2,967.83 = 1,155.69/x
3. Step 3: Cross multiply
   1,979.92x = 2,967.83 × 1,155.69
4. Step 4: Simplify right side
   1,979.92x = 3,429,896.73
5. Step 5: Solve for x
   x = 3,429,896.73/1,979.92
6. Step 6: Final answer
   x = 1,732.34