Finding the Fourth Proportional to 1,722.47, 2,375.33 and 1,049.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.47 : 2,375.33 = 1,049.76 : x
2. Step 2: Convert to fraction form
   1,722.47/2,375.33 = 1,049.76/x
3. Step 3: Cross multiply
   1,722.47x = 2,375.33 × 1,049.76
4. Step 4: Simplify right side
   1,722.47x = 2,493,521.17
5. Step 5: Solve for x
   x = 2,493,521.17/1,722.47
6. Step 6: Final answer
   x = 1,447.65