Finding the Fourth Proportional to 2,131.93, 3,194.79 and 944.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.93 : 3,194.79 = 944.54 : x
2. Step 2: Convert to fraction form
   2,131.93/3,194.79 = 944.54/x
3. Step 3: Cross multiply
   2,131.93x = 3,194.79 × 944.54
4. Step 4: Simplify right side
   2,131.93x = 3,017,599.41
5. Step 5: Solve for x
   x = 3,017,599.41/2,131.93
6. Step 6: Final answer
   x = 1,415.43