Finding the Fourth Proportional to 1,589.18, 2,384.27 and 712.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.18 : 2,384.27 = 712.42 : x
2. Step 2: Convert to fraction form
   1,589.18/2,384.27 = 712.42/x
3. Step 3: Cross multiply
   1,589.18x = 2,384.27 × 712.42
4. Step 4: Simplify right side
   1,589.18x = 1,698,594.78
5. Step 5: Solve for x
   x = 1,698,594.78/1,589.18
6. Step 6: Final answer
   x = 1,068.85