Finding the Fourth Proportional to 30,895.37, 46,311.90 and 12,168.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.37 : 46,311.90 = 12,168.17 : x
2. Step 2: Convert to fraction form
   30,895.37/46,311.90 = 12,168.17/x
3. Step 3: Cross multiply
   30,895.37x = 46,311.90 × 12,168.17
4. Step 4: Simplify right side
   30,895.37x = 563,531,142.37
5. Step 5: Solve for x
   x = 563,531,142.37/30,895.37
6. Step 6: Final answer
   x = 18,239.99