Finding the Fourth Proportional to 1,018.70, 1,406.58 and 895.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.70 : 1,406.58 = 895.82 : x
2. Step 2: Convert to fraction form
   1,018.70/1,406.58 = 895.82/x
3. Step 3: Cross multiply
   1,018.70x = 1,406.58 × 895.82
4. Step 4: Simplify right side
   1,018.70x = 1,260,042.50
5. Step 5: Solve for x
   x = 1,260,042.50/1,018.70
6. Step 6: Final answer
   x = 1,236.91