Finding the Fourth Proportional to 1,721.01, 2,375.72 and 1,162.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.01 : 2,375.72 = 1,162.23 : x
2. Step 2: Convert to fraction form
   1,721.01/2,375.72 = 1,162.23/x
3. Step 3: Cross multiply
   1,721.01x = 2,375.72 × 1,162.23
4. Step 4: Simplify right side
   1,721.01x = 2,761,142.74
5. Step 5: Solve for x
   x = 2,761,142.74/1,721.01
6. Step 6: Final answer
   x = 1,604.38