Finding the Fourth Proportional to 1,364.78, 1,882.24 and 867.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.78 : 1,882.24 = 867.58 : x
2. Step 2: Convert to fraction form
   1,364.78/1,882.24 = 867.58/x
3. Step 3: Cross multiply
   1,364.78x = 1,882.24 × 867.58
4. Step 4: Simplify right side
   1,364.78x = 1,632,986.90
5. Step 5: Solve for x
   x = 1,632,986.90/1,364.78
6. Step 6: Final answer
   x = 1,196.52