Finding the Fourth Proportional to 2,589.90, 3,882.52 and 945.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.90 : 3,882.52 = 945.29 : x
2. Step 2: Convert to fraction form
   2,589.90/3,882.52 = 945.29/x
3. Step 3: Cross multiply
   2,589.90x = 3,882.52 × 945.29
4. Step 4: Simplify right side
   2,589.90x = 3,670,112.90
5. Step 5: Solve for x
   x = 3,670,112.90/2,589.90
6. Step 6: Final answer
   x = 1,417.09