Finding the Fourth Proportional to 22,382.94, 30,887.82 and 12,311.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,382.94 : 30,887.82 = 12,311.37 : x
2. Step 2: Convert to fraction form
   22,382.94/30,887.82 = 12,311.37/x
3. Step 3: Cross multiply
   22,382.94x = 30,887.82 × 12,311.37
4. Step 4: Simplify right side
   22,382.94x = 380,271,380.51
5. Step 5: Solve for x
   x = 380,271,380.51/22,382.94
6. Step 6: Final answer
   x = 16,989.34