Finding the Fourth Proportional to 1,886.91, 2,826.24 and 1,154.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.91 : 2,826.24 = 1,154.27 : x
2. Step 2: Convert to fraction form
   1,886.91/2,826.24 = 1,154.27/x
3. Step 3: Cross multiply
   1,886.91x = 2,826.24 × 1,154.27
4. Step 4: Simplify right side
   1,886.91x = 3,262,229.91
5. Step 5: Solve for x
   x = 3,262,229.91/1,886.91
6. Step 6: Final answer
   x = 1,728.87