Finding the Fourth Proportional to 3,769.04, 5,656.42 and 1,921.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769.04 : 5,656.42 = 1,921.72 : x
2. Step 2: Convert to fraction form
   3,769.04/5,656.42 = 1,921.72/x
3. Step 3: Cross multiply
   3,769.04x = 5,656.42 × 1,921.72
4. Step 4: Simplify right side
   3,769.04x = 10,870,055.44
5. Step 5: Solve for x
   x = 10,870,055.44/3,769.04
6. Step 6: Final answer
   x = 2,884.04