Finding the Fourth Proportional to 8,234.01, 12,353.76 and 5,471.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234.01 : 12,353.76 = 5,471.55 : x
2. Step 2: Convert to fraction form
   8,234.01/12,353.76 = 5,471.55/x
3. Step 3: Cross multiply
   8,234.01x = 12,353.76 × 5,471.55
4. Step 4: Simplify right side
   8,234.01x = 67,594,215.53
5. Step 5: Solve for x
   x = 67,594,215.53/8,234.01
6. Step 6: Final answer
   x = 8,209.15