Finding the Fourth Proportional to 2,661.93, 3,994.71 and 1,364.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.93 : 3,994.71 = 1,364.31 : x
2. Step 2: Convert to fraction form
   2,661.93/3,994.71 = 1,364.31/x
3. Step 3: Cross multiply
   2,661.93x = 3,994.71 × 1,364.31
4. Step 4: Simplify right side
   2,661.93x = 5,450,022.80
5. Step 5: Solve for x
   x = 5,450,022.80/2,661.93
6. Step 6: Final answer
   x = 2,047.40