Finding the Fourth Proportional to 1,864.41, 2,568.83 and 1,242.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.41 : 2,568.83 = 1,242.33 : x
2. Step 2: Convert to fraction form
   1,864.41/2,568.83 = 1,242.33/x
3. Step 3: Cross multiply
   1,864.41x = 2,568.83 × 1,242.33
4. Step 4: Simplify right side
   1,864.41x = 3,191,328.36
5. Step 5: Solve for x
   x = 3,191,328.36/1,864.41
6. Step 6: Final answer
   x = 1,711.71