Finding the Fourth Proportional to 1,744.03, 2,407.83 and 1,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.03 : 2,407.83 = 1,212.72 : x
2. Step 2: Convert to fraction form
   1,744.03/2,407.83 = 1,212.72/x
3. Step 3: Cross multiply
   1,744.03x = 2,407.83 × 1,212.72
4. Step 4: Simplify right side
   1,744.03x = 2,920,023.56
5. Step 5: Solve for x
   x = 2,920,023.56/1,744.03
6. Step 6: Final answer
   x = 1,674.30