Finding the Fourth Proportional to 3,719.88, 5,573.78 and 1,964.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.88 : 5,573.78 = 1,964.79 : x
2. Step 2: Convert to fraction form
   3,719.88/5,573.78 = 1,964.79/x
3. Step 3: Cross multiply
   3,719.88x = 5,573.78 × 1,964.79
4. Step 4: Simplify right side
   3,719.88x = 10,951,312.12
5. Step 5: Solve for x
   x = 10,951,312.12/3,719.88
6. Step 6: Final answer
   x = 2,944.00