Finding the Fourth Proportional to 2,889.96, 4,333.98 and 1,329

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.96 : 4,333.98 = 1,329 : x
2. Step 2: Convert to fraction form
   2,889.96/4,333.98 = 1,329/x
3. Step 3: Cross multiply
   2,889.96x = 4,333.98 × 1,329
4. Step 4: Simplify right side
   2,889.96x = 5,759,859.42
5. Step 5: Solve for x
   x = 5,759,859.42/2,889.96
6. Step 6: Final answer
   x = 1,993.06