Finding the Fourth Proportional to 1,300.95, 1,949.59 and 867.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.95 : 1,949.59 = 867.19 : x
2. Step 2: Convert to fraction form
   1,300.95/1,949.59 = 867.19/x
3. Step 3: Cross multiply
   1,300.95x = 1,949.59 × 867.19
4. Step 4: Simplify right side
   1,300.95x = 1,690,664.95
5. Step 5: Solve for x
   x = 1,690,664.95/1,300.95
6. Step 6: Final answer
   x = 1,299.56