Finding the Fourth Proportional to 1,254.07, 1,729.69 and 1,055.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.07 : 1,729.69 = 1,055.96 : x
2. Step 2: Convert to fraction form
   1,254.07/1,729.69 = 1,055.96/x
3. Step 3: Cross multiply
   1,254.07x = 1,729.69 × 1,055.96
4. Step 4: Simplify right side
   1,254.07x = 1,826,483.52
5. Step 5: Solve for x
   x = 1,826,483.52/1,254.07
6. Step 6: Final answer
   x = 1,456.44