Finding the Fourth Proportional to 2,889.69, 4,331.04 and 1,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.69 : 4,331.04 = 1,327.52 : x
2. Step 2: Convert to fraction form
   2,889.69/4,331.04 = 1,327.52/x
3. Step 3: Cross multiply
   2,889.69x = 4,331.04 × 1,327.52
4. Step 4: Simplify right side
   2,889.69x = 5,749,548.07
5. Step 5: Solve for x
   x = 5,749,548.07/2,889.69
6. Step 6: Final answer
   x = 1,989.68