Finding the Fourth Proportional to 1,444.12, 1,991.27 and 1,255.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.12 : 1,991.27 = 1,255.93 : x
2. Step 2: Convert to fraction form
   1,444.12/1,991.27 = 1,255.93/x
3. Step 3: Cross multiply
   1,444.12x = 1,991.27 × 1,255.93
4. Step 4: Simplify right side
   1,444.12x = 2,500,893.89
5. Step 5: Solve for x
   x = 2,500,893.89/1,444.12
6. Step 6: Final answer
   x = 1,731.78