Finding the Fourth Proportional to 1,362.40, 1,868.71 and 1,283.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.40 : 1,868.71 = 1,283.02 : x
2. Step 2: Convert to fraction form
   1,362.40/1,868.71 = 1,283.02/x
3. Step 3: Cross multiply
   1,362.40x = 1,868.71 × 1,283.02
4. Step 4: Simplify right side
   1,362.40x = 2,397,592.30
5. Step 5: Solve for x
   x = 2,397,592.30/1,362.40
6. Step 6: Final answer
   x = 1,759.83