Finding the Fourth Proportional to 1,860.34, 2,785.82 and 1,119.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.34 : 2,785.82 = 1,119.55 : x
2. Step 2: Convert to fraction form
   1,860.34/2,785.82 = 1,119.55/x
3. Step 3: Cross multiply
   1,860.34x = 2,785.82 × 1,119.55
4. Step 4: Simplify right side
   1,860.34x = 3,118,864.78
5. Step 5: Solve for x
   x = 3,118,864.78/1,860.34
6. Step 6: Final answer
   x = 1,676.50