Finding the Fourth Proportional to 2,168.71, 2,993.29 and 1,371.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.71 : 2,993.29 = 1,371.98 : x
2. Step 2: Convert to fraction form
   2,168.71/2,993.29 = 1,371.98/x
3. Step 3: Cross multiply
   2,168.71x = 2,993.29 × 1,371.98
4. Step 4: Simplify right side
   2,168.71x = 4,106,738.07
5. Step 5: Solve for x
   x = 4,106,738.07/2,168.71
6. Step 6: Final answer
   x = 1,893.63