Finding the Fourth Proportional to 2,853.10, 3,935.82 and 1,860.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,853.10 : 3,935.82 = 1,860.04 : x
2. Step 2: Convert to fraction form
   2,853.10/3,935.82 = 1,860.04/x
3. Step 3: Cross multiply
   2,853.10x = 3,935.82 × 1,860.04
4. Step 4: Simplify right side
   2,853.10x = 7,320,782.63
5. Step 5: Solve for x
   x = 7,320,782.63/2,853.10
6. Step 6: Final answer
   x = 2,565.90