Finding the Fourth Proportional to 1,947.69, 2,687.90 and 1,063.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.69 : 2,687.90 = 1,063.53 : x
2. Step 2: Convert to fraction form
   1,947.69/2,687.90 = 1,063.53/x
3. Step 3: Cross multiply
   1,947.69x = 2,687.90 × 1,063.53
4. Step 4: Simplify right side
   1,947.69x = 2,858,651.51
5. Step 5: Solve for x
   x = 2,858,651.51/1,947.69
6. Step 6: Final answer
   x = 1,467.72