Finding the Fourth Proportional to 1,947.46, 2,687.56 and 1,108.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.46 : 2,687.56 = 1,108.14 : x
2. Step 2: Convert to fraction form
   1,947.46/2,687.56 = 1,108.14/x
3. Step 3: Cross multiply
   1,947.46x = 2,687.56 × 1,108.14
4. Step 4: Simplify right side
   1,947.46x = 2,978,192.74
5. Step 5: Solve for x
   x = 2,978,192.74/1,947.46
6. Step 6: Final answer
   x = 1,529.27