Finding the Fourth Proportional to 1,589.34, 2,384.52 and 1,128.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.34 : 2,384.52 = 1,128.03 : x
2. Step 2: Convert to fraction form
   1,589.34/2,384.52 = 1,128.03/x
3. Step 3: Cross multiply
   1,589.34x = 2,384.52 × 1,128.03
4. Step 4: Simplify right side
   1,589.34x = 2,689,810.10
5. Step 5: Solve for x
   x = 2,689,810.10/1,589.34
6. Step 6: Final answer
   x = 1,692.41