Finding the Fourth Proportional to 8,962.72, 12,367.76 and 5,236

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.72 : 12,367.76 = 5,236 : x
2. Step 2: Convert to fraction form
   8,962.72/12,367.76 = 5,236/x
3. Step 3: Cross multiply
   8,962.72x = 12,367.76 × 5,236
4. Step 4: Simplify right side
   8,962.72x = 64,757,591.36
5. Step 5: Solve for x
   x = 64,757,591.36/8,962.72
6. Step 6: Final answer
   x = 7,225.22