Finding the Fourth Proportional to 22,087.10, 30,480.83 and 12,015.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.10 : 30,480.83 = 12,015.63 : x
2. Step 2: Convert to fraction form
   22,087.10/30,480.83 = 12,015.63/x
3. Step 3: Cross multiply
   22,087.10x = 30,480.83 × 12,015.63
4. Step 4: Simplify right side
   22,087.10x = 366,246,315.29
5. Step 5: Solve for x
   x = 366,246,315.29/22,087.10
6. Step 6: Final answer
   x = 16,581.91