Finding the Fourth Proportional to 1,979.72, 2,731.16 and 1,182.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979.72 : 2,731.16 = 1,182.59 : x
2. Step 2: Convert to fraction form
   1,979.72/2,731.16 = 1,182.59/x
3. Step 3: Cross multiply
   1,979.72x = 2,731.16 × 1,182.59
4. Step 4: Simplify right side
   1,979.72x = 3,229,836.59
5. Step 5: Solve for x
   x = 3,229,836.59/1,979.72
6. Step 6: Final answer
   x = 1,631.46