Finding the Fourth Proportional to 1,947.38, 2,687.38 and 1,063.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.38 : 2,687.38 = 1,063.18 : x
2. Step 2: Convert to fraction form
   1,947.38/2,687.38 = 1,063.18/x
3. Step 3: Cross multiply
   1,947.38x = 2,687.38 × 1,063.18
4. Step 4: Simplify right side
   1,947.38x = 2,857,168.67
5. Step 5: Solve for x
   x = 2,857,168.67/1,947.38
6. Step 6: Final answer
   x = 1,467.19