Finding the Fourth Proportional to 3,919.71, 5,880.56 and 1,729.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.71 : 5,880.56 = 1,729.05 : x
2. Step 2: Convert to fraction form
   3,919.71/5,880.56 = 1,729.05/x
3. Step 3: Cross multiply
   3,919.71x = 5,880.56 × 1,729.05
4. Step 4: Simplify right side
   3,919.71x = 10,167,773.62
5. Step 5: Solve for x
   x = 10,167,773.62/3,919.71
6. Step 6: Final answer
   x = 2,594.01