Finding the Fourth Proportional to 1,723.43, 2,584.25 and 899.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.43 : 2,584.25 = 899.69 : x
2. Step 2: Convert to fraction form
   1,723.43/2,584.25 = 899.69/x
3. Step 3: Cross multiply
   1,723.43x = 2,584.25 × 899.69
4. Step 4: Simplify right side
   1,723.43x = 2,325,019.38
5. Step 5: Solve for x
   x = 2,325,019.38/1,723.43
6. Step 6: Final answer
   x = 1,349.07