Finding the Fourth Proportional to 1,362.39, 1,880.37 and 865.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.39 : 1,880.37 = 865.62 : x
2. Step 2: Convert to fraction form
   1,362.39/1,880.37 = 865.62/x
3. Step 3: Cross multiply
   1,362.39x = 1,880.37 × 865.62
4. Step 4: Simplify right side
   1,362.39x = 1,627,685.88
5. Step 5: Solve for x
   x = 1,627,685.88/1,362.39
6. Step 6: Final answer
   x = 1,194.73