Finding the Fourth Proportional to 12,255.89, 18,380.18 and 4,462.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,255.89 : 18,380.18 = 4,462.88 : x
2. Step 2: Convert to fraction form
   12,255.89/18,380.18 = 4,462.88/x
3. Step 3: Cross multiply
   12,255.89x = 18,380.18 × 4,462.88
4. Step 4: Simplify right side
   12,255.89x = 82,028,423.50
5. Step 5: Solve for x
   x = 82,028,423.50/12,255.89
6. Step 6: Final answer
   x = 6,692.98