Finding the Fourth Proportional to 1,433.83, 1,974.27 and 1,255.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.83 : 1,974.27 = 1,255.76 : x
2. Step 2: Convert to fraction form
   1,433.83/1,974.27 = 1,255.76/x
3. Step 3: Cross multiply
   1,433.83x = 1,974.27 × 1,255.76
4. Step 4: Simplify right side
   1,433.83x = 2,479,214.23
5. Step 5: Solve for x
   x = 2,479,214.23/1,433.83
6. Step 6: Final answer
   x = 1,729.09