Finding the Fourth Proportional to 2,698.42, 3,722.56 and 1,951.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.42 : 3,722.56 = 1,951.18 : x
2. Step 2: Convert to fraction form
   2,698.42/3,722.56 = 1,951.18/x
3. Step 3: Cross multiply
   2,698.42x = 3,722.56 × 1,951.18
4. Step 4: Simplify right side
   2,698.42x = 7,263,384.62
5. Step 5: Solve for x
   x = 7,263,384.62/2,698.42
6. Step 6: Final answer
   x = 2,691.72