Finding the Fourth Proportional to 2,589.60, 3,573.47 and 1,410.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.60 : 3,573.47 = 1,410.65 : x
2. Step 2: Convert to fraction form
   2,589.60/3,573.47 = 1,410.65/x
3. Step 3: Cross multiply
   2,589.60x = 3,573.47 × 1,410.65
4. Step 4: Simplify right side
   2,589.60x = 5,040,915.46
5. Step 5: Solve for x
   x = 5,040,915.46/2,589.60
6. Step 6: Final answer
   x = 1,946.60