Finding the Fourth Proportional to 1,939.52, 2,676.46 and 1,055.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.52 : 2,676.46 = 1,055.32 : x
2. Step 2: Convert to fraction form
   1,939.52/2,676.46 = 1,055.32/x
3. Step 3: Cross multiply
   1,939.52x = 2,676.46 × 1,055.32
4. Step 4: Simplify right side
   1,939.52x = 2,824,521.77
5. Step 5: Solve for x
   x = 2,824,521.77/1,939.52
6. Step 6: Final answer
   x = 1,456.30