Finding the Fourth Proportional to 1,589.34, 2,191.23 and 1,028.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.34 : 2,191.23 = 1,028.82 : x
2. Step 2: Convert to fraction form
   1,589.34/2,191.23 = 1,028.82/x
3. Step 3: Cross multiply
   1,589.34x = 2,191.23 × 1,028.82
4. Step 4: Simplify right side
   1,589.34x = 2,254,381.25
5. Step 5: Solve for x
   x = 2,254,381.25/1,589.34
6. Step 6: Final answer
   x = 1,418.44