Finding the Fourth Proportional to 8,950.91, 13,422.71 and 3,885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,950.91 : 13,422.71 = 3,885.42 : x
2. Step 2: Convert to fraction form
   8,950.91/13,422.71 = 3,885.42/x
3. Step 3: Cross multiply
   8,950.91x = 13,422.71 × 3,885.42
4. Step 4: Simplify right side
   8,950.91x = 52,152,891.50
5. Step 5: Solve for x
   x = 52,152,891.50/8,950.91
6. Step 6: Final answer
   x = 5,826.55