Finding the Fourth Proportional to 8,761.37, 13,134.24 and 3,213.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761.37 : 13,134.24 = 3,213.42 : x
2. Step 2: Convert to fraction form
   8,761.37/13,134.24 = 3,213.42/x
3. Step 3: Cross multiply
   8,761.37x = 13,134.24 × 3,213.42
4. Step 4: Simplify right side
   8,761.37x = 42,205,829.50
5. Step 5: Solve for x
   x = 42,205,829.50/8,761.37
6. Step 6: Final answer
   x = 4,817.26