Finding the Fourth Proportional to 1,886.93, 2,826.71 and 1,235.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.93 : 2,826.71 = 1,235.69 : x
2. Step 2: Convert to fraction form
   1,886.93/2,826.71 = 1,235.69/x
3. Step 3: Cross multiply
   1,886.93x = 2,826.71 × 1,235.69
4. Step 4: Simplify right side
   1,886.93x = 3,492,937.28
5. Step 5: Solve for x
   x = 3,492,937.28/1,886.93
6. Step 6: Final answer
   x = 1,851.12