Finding the Fourth Proportional to 2,951.34, 4,069.68 and 2,111.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.34 : 4,069.68 = 2,111.73 : x
2. Step 2: Convert to fraction form
   2,951.34/4,069.68 = 2,111.73/x
3. Step 3: Cross multiply
   2,951.34x = 4,069.68 × 2,111.73
4. Step 4: Simplify right side
   2,951.34x = 8,594,065.35
5. Step 5: Solve for x
   x = 8,594,065.35/2,951.34
6. Step 6: Final answer
   x = 2,911.92