Finding the Fourth Proportional to 12,253.98, 18,380.64 and 3,933.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,253.98 : 18,380.64 = 3,933.94 : x
2. Step 2: Convert to fraction form
   12,253.98/18,380.64 = 3,933.94/x
3. Step 3: Cross multiply
   12,253.98x = 18,380.64 × 3,933.94
4. Step 4: Simplify right side
   12,253.98x = 72,308,334.92
5. Step 5: Solve for x
   x = 72,308,334.92/12,253.98
6. Step 6: Final answer
   x = 5,900.80