Finding the Fourth Proportional to 12,254.37, 18,379.82 and 3,933.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,254.37 : 18,379.82 = 3,933.31 : x
2. Step 2: Convert to fraction form
   12,254.37/18,379.82 = 3,933.31/x
3. Step 3: Cross multiply
   12,254.37x = 18,379.82 × 3,933.31
4. Step 4: Simplify right side
   12,254.37x = 72,293,506.03
5. Step 5: Solve for x
   x = 72,293,506.03/12,254.37
6. Step 6: Final answer
   x = 5,899.41