Finding the Fourth Proportional to 1,444.59, 1,992.31 and 940.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.59 : 1,992.31 = 940.57 : x
2. Step 2: Convert to fraction form
   1,444.59/1,992.31 = 940.57/x
3. Step 3: Cross multiply
   1,444.59x = 1,992.31 × 940.57
4. Step 4: Simplify right side
   1,444.59x = 1,873,907.02
5. Step 5: Solve for x
   x = 1,873,907.02/1,444.59
6. Step 6: Final answer
   x = 1,297.19