Finding the Fourth Proportional to 1,720.38, 2,589.83 and 1,469.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720.38 : 2,589.83 = 1,469.82 : x
2. Step 2: Convert to fraction form
   1,720.38/2,589.83 = 1,469.82/x
3. Step 3: Cross multiply
   1,720.38x = 2,589.83 × 1,469.82
4. Step 4: Simplify right side
   1,720.38x = 3,806,576.58
5. Step 5: Solve for x
   x = 3,806,576.58/1,720.38
6. Step 6: Final answer
   x = 2,212.64