Finding the Fourth Proportional to 12,234.06, 18,353.78 and 3,914.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,234.06 : 18,353.78 = 3,914.75 : x
2. Step 2: Convert to fraction form
   12,234.06/18,353.78 = 3,914.75/x
3. Step 3: Cross multiply
   12,234.06x = 18,353.78 × 3,914.75
4. Step 4: Simplify right side
   12,234.06x = 71,850,460.26
5. Step 5: Solve for x
   x = 71,850,460.26/12,234.06
6. Step 6: Final answer
   x = 5,872.99