Finding the Fourth Proportional to 3,742.20, 5,616.72 and 1,894.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.20 : 5,616.72 = 1,894.56 : x
2. Step 2: Convert to fraction form
   3,742.20/5,616.72 = 1,894.56/x
3. Step 3: Cross multiply
   3,742.20x = 5,616.72 × 1,894.56
4. Step 4: Simplify right side
   3,742.20x = 10,641,213.04
5. Step 5: Solve for x
   x = 10,641,213.04/3,742.20
6. Step 6: Final answer
   x = 2,843.57