Finding the Fourth Proportional to 1,721.53, 2,582.56 and 844.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.53 : 2,582.56 = 844.10 : x
2. Step 2: Convert to fraction form
   1,721.53/2,582.56 = 844.10/x
3. Step 3: Cross multiply
   1,721.53x = 2,582.56 × 844.10
4. Step 4: Simplify right side
   1,721.53x = 2,179,925.98
5. Step 5: Solve for x
   x = 2,179,925.98/1,721.53
6. Step 6: Final answer
   x = 1,266.28