Finding the Fourth Proportional to 1,722.38, 2,377.43 and 1,101.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.38 : 2,377.43 = 1,101.38 : x
2. Step 2: Convert to fraction form
   1,722.38/2,377.43 = 1,101.38/x
3. Step 3: Cross multiply
   1,722.38x = 2,377.43 × 1,101.38
4. Step 4: Simplify right side
   1,722.38x = 2,618,436.46
5. Step 5: Solve for x
   x = 2,618,436.46/1,722.38
6. Step 6: Final answer
   x = 1,520.25