Finding the Fourth Proportional to 1,362.69, 1,881.02 and 865.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.69 : 1,881.02 = 865.65 : x
2. Step 2: Convert to fraction form
   1,362.69/1,881.02 = 865.65/x
3. Step 3: Cross multiply
   1,362.69x = 1,881.02 × 865.65
4. Step 4: Simplify right side
   1,362.69x = 1,628,300.63
5. Step 5: Solve for x
   x = 1,628,300.63/1,362.69
6. Step 6: Final answer
   x = 1,194.92