Finding the Fourth Proportional to 2,031.24, 2,803.88 and 1,589.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.24 : 2,803.88 = 1,589.28 : x
2. Step 2: Convert to fraction form
   2,031.24/2,803.88 = 1,589.28/x
3. Step 3: Cross multiply
   2,031.24x = 2,803.88 × 1,589.28
4. Step 4: Simplify right side
   2,031.24x = 4,456,150.41
5. Step 5: Solve for x
   x = 4,456,150.41/2,031.24
6. Step 6: Final answer
   x = 2,193.81