Finding the Fourth Proportional to 1,886.72, 2,826.41 and 1,235.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.72 : 2,826.41 = 1,235.48 : x
2. Step 2: Convert to fraction form
   1,886.72/2,826.41 = 1,235.48/x
3. Step 3: Cross multiply
   1,886.72x = 2,826.41 × 1,235.48
4. Step 4: Simplify right side
   1,886.72x = 3,491,979.21
5. Step 5: Solve for x
   x = 3,491,979.21/1,886.72
6. Step 6: Final answer
   x = 1,850.82