Finding the Fourth Proportional to 1,444.41, 1,993.59 and 912.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.41 : 1,993.59 = 912.95 : x
2. Step 2: Convert to fraction form
   1,444.41/1,993.59 = 912.95/x
3. Step 3: Cross multiply
   1,444.41x = 1,993.59 × 912.95
4. Step 4: Simplify right side
   1,444.41x = 1,820,043.43
5. Step 5: Solve for x
   x = 1,820,043.43/1,444.41
6. Step 6: Final answer
   x = 1,260.06