Finding the Fourth Proportional to 1,947.50, 2,687.73 and 1,108.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.50 : 2,687.73 = 1,108.23 : x
2. Step 2: Convert to fraction form
   1,947.50/2,687.73 = 1,108.23/x
3. Step 3: Cross multiply
   1,947.50x = 2,687.73 × 1,108.23
4. Step 4: Simplify right side
   1,947.50x = 2,978,623.02
5. Step 5: Solve for x
   x = 2,978,623.02/1,947.50
6. Step 6: Final answer
   x = 1,529.46