Finding the Fourth Proportional to 1,947.62, 2,687.78 and 1,063.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.62 : 2,687.78 = 1,063.38 : x
2. Step 2: Convert to fraction form
   1,947.62/2,687.78 = 1,063.38/x
3. Step 3: Cross multiply
   1,947.62x = 2,687.78 × 1,063.38
4. Step 4: Simplify right side
   1,947.62x = 2,858,131.50
5. Step 5: Solve for x
   x = 2,858,131.50/1,947.62
6. Step 6: Final answer
   x = 1,467.50