Finding the Fourth Proportional to 8,951.91, 13,424.21 and 3,886.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,951.91 : 13,424.21 = 3,886.42 : x
2. Step 2: Convert to fraction form
   8,951.91/13,424.21 = 3,886.42/x
3. Step 3: Cross multiply
   8,951.91x = 13,424.21 × 3,886.42
4. Step 4: Simplify right side
   8,951.91x = 52,172,118.23
5. Step 5: Solve for x
   x = 52,172,118.23/8,951.91
6. Step 6: Final answer
   x = 5,828.04