Finding the Fourth Proportional to 1,861.41, 2,568.58 and 1,064.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861.41 : 2,568.58 = 1,064.83 : x
2. Step 2: Convert to fraction form
   1,861.41/2,568.58 = 1,064.83/x
3. Step 3: Cross multiply
   1,861.41x = 2,568.58 × 1,064.83
4. Step 4: Simplify right side
   1,861.41x = 2,735,101.04
5. Step 5: Solve for x
   x = 2,735,101.04/1,861.41
6. Step 6: Final answer
   x = 1,469.37