Finding the Fourth Proportional to 2,186.94, 3,017.22 and 1,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.94 : 3,017.22 = 1,401.42 : x
2. Step 2: Convert to fraction form
   2,186.94/3,017.22 = 1,401.42/x
3. Step 3: Cross multiply
   2,186.94x = 3,017.22 × 1,401.42
4. Step 4: Simplify right side
   2,186.94x = 4,228,392.45
5. Step 5: Solve for x
   x = 4,228,392.45/2,186.94
6. Step 6: Final answer
   x = 1,933.47