Finding the Fourth Proportional to 2,186.82, 3,017.56 and 1,335.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.82 : 3,017.56 = 1,335.65 : x
2. Step 2: Convert to fraction form
   2,186.82/3,017.56 = 1,335.65/x
3. Step 3: Cross multiply
   2,186.82x = 3,017.56 × 1,335.65
4. Step 4: Simplify right side
   2,186.82x = 4,030,404.01
5. Step 5: Solve for x
   x = 4,030,404.01/2,186.82
6. Step 6: Final answer
   x = 1,843.04