Finding the Fourth Proportional to 2,899.39, 4,350.17 and 1,729.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.39 : 4,350.17 = 1,729.21 : x
2. Step 2: Convert to fraction form
   2,899.39/4,350.17 = 1,729.21/x
3. Step 3: Cross multiply
   2,899.39x = 4,350.17 × 1,729.21
4. Step 4: Simplify right side
   2,899.39x = 7,522,357.47
5. Step 5: Solve for x
   x = 7,522,357.47/2,899.39
6. Step 6: Final answer
   x = 2,594.46