Finding the Fourth Proportional to 8,427.89, 12,631.58 and 5,963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,427.89 : 12,631.58 = 5,963.42 : x
2. Step 2: Convert to fraction form
   8,427.89/12,631.58 = 5,963.42/x
3. Step 3: Cross multiply
   8,427.89x = 12,631.58 × 5,963.42
4. Step 4: Simplify right side
   8,427.89x = 75,327,416.80
5. Step 5: Solve for x
   x = 75,327,416.80/8,427.89
6. Step 6: Final answer
   x = 8,937.87