Finding the Fourth Proportional to 1,732.35, 2,387.91 and 1,589.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.35 : 2,387.91 = 1,589.34 : x
2. Step 2: Convert to fraction form
   1,732.35/2,387.91 = 1,589.34/x
3. Step 3: Cross multiply
   1,732.35x = 2,387.91 × 1,589.34
4. Step 4: Simplify right side
   1,732.35x = 3,795,200.88
5. Step 5: Solve for x
   x = 3,795,200.88/1,732.35
6. Step 6: Final answer
   x = 2,190.78