Finding the Fourth Proportional to 2,225.59, 3,069.08 and 1,728.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.59 : 3,069.08 = 1,728.05 : x
2. Step 2: Convert to fraction form
   2,225.59/3,069.08 = 1,728.05/x
3. Step 3: Cross multiply
   2,225.59x = 3,069.08 × 1,728.05
4. Step 4: Simplify right side
   2,225.59x = 5,303,523.69
5. Step 5: Solve for x
   x = 5,303,523.69/2,225.59
6. Step 6: Final answer
   x = 2,382.97