Finding the Fourth Proportional to 22,382.01, 30,887.33 and 12,311.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,382.01 : 30,887.33 = 12,311.10 : x
2. Step 2: Convert to fraction form
   22,382.01/30,887.33 = 12,311.10/x
3. Step 3: Cross multiply
   22,382.01x = 30,887.33 × 12,311.10
4. Step 4: Simplify right side
   22,382.01x = 380,256,946.81
5. Step 5: Solve for x
   x = 380,256,946.81/22,382.01
6. Step 6: Final answer
   x = 16,989.40