Finding the Fourth Proportional to 1,467.72, 2,189.34 and 1,329.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467.72 : 2,189.34 = 1,329.22 : x
2. Step 2: Convert to fraction form
   1,467.72/2,189.34 = 1,329.22/x
3. Step 3: Cross multiply
   1,467.72x = 2,189.34 × 1,329.22
4. Step 4: Simplify right side
   1,467.72x = 2,910,114.51
5. Step 5: Solve for x
   x = 2,910,114.51/1,467.72
6. Step 6: Final answer
   x = 1,982.75