Finding the Fourth Proportional to 2,253.07, 3,106.42 and 1,722.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.07 : 3,106.42 = 1,722.61 : x
2. Step 2: Convert to fraction form
   2,253.07/3,106.42 = 1,722.61/x
3. Step 3: Cross multiply
   2,253.07x = 3,106.42 × 1,722.61
4. Step 4: Simplify right side
   2,253.07x = 5,351,150.16
5. Step 5: Solve for x
   x = 5,351,150.16/2,253.07
6. Step 6: Final answer
   x = 2,375.05