Finding the Fourth Proportional to 3,929.41, 5,422.82 and 2,251.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929.41 : 5,422.82 = 2,251.34 : x
2. Step 2: Convert to fraction form
   3,929.41/5,422.82 = 2,251.34/x
3. Step 3: Cross multiply
   3,929.41x = 5,422.82 × 2,251.34
4. Step 4: Simplify right side
   3,929.41x = 12,208,573.21
5. Step 5: Solve for x
   x = 12,208,573.21/3,929.41
6. Step 6: Final answer
   x = 3,106.98