Finding the Fourth Proportional to 1,872.33, 2,584.88 and 1,243.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.33 : 2,584.88 = 1,243.71 : x
2. Step 2: Convert to fraction form
   1,872.33/2,584.88 = 1,243.71/x
3. Step 3: Cross multiply
   1,872.33x = 2,584.88 × 1,243.71
4. Step 4: Simplify right side
   1,872.33x = 3,214,841.10
5. Step 5: Solve for x
   x = 3,214,841.10/1,872.33
6. Step 6: Final answer
   x = 1,717.03