Finding the Fourth Proportional to 1,722.52, 2,381.43 and 1,273.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.52 : 2,381.43 = 1,273.69 : x
2. Step 2: Convert to fraction form
   1,722.52/2,381.43 = 1,273.69/x
3. Step 3: Cross multiply
   1,722.52x = 2,381.43 × 1,273.69
4. Step 4: Simplify right side
   1,722.52x = 3,033,203.58
5. Step 5: Solve for x
   x = 3,033,203.58/1,722.52
6. Step 6: Final answer
   x = 1,760.91