Finding the Fourth Proportional to 2,144.56, 2,947.56 and 1,894.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.56 : 2,947.56 = 1,894.40 : x
2. Step 2: Convert to fraction form
   2,144.56/2,947.56 = 1,894.40/x
3. Step 3: Cross multiply
   2,144.56x = 2,947.56 × 1,894.40
4. Step 4: Simplify right side
   2,144.56x = 5,583,857.66
5. Step 5: Solve for x
   x = 5,583,857.66/2,144.56
6. Step 6: Final answer
   x = 2,603.73