Finding the Fourth Proportional to 1,063.63, 1,592.59 and 867.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.63 : 1,592.59 = 867.83 : x
2. Step 2: Convert to fraction form
   1,063.63/1,592.59 = 867.83/x
3. Step 3: Cross multiply
   1,063.63x = 1,592.59 × 867.83
4. Step 4: Simplify right side
   1,063.63x = 1,382,097.38
5. Step 5: Solve for x
   x = 1,382,097.38/1,063.63
6. Step 6: Final answer
   x = 1,299.42