Finding the Fourth Proportional to 22,091.58, 30,485.46 and 12,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,091.58 : 30,485.46 = 12,020.06 : x
2. Step 2: Convert to fraction form
   22,091.58/30,485.46 = 12,020.06/x
3. Step 3: Cross multiply
   22,091.58x = 30,485.46 × 12,020.06
4. Step 4: Simplify right side
   22,091.58x = 366,436,905.90
5. Step 5: Solve for x
   x = 366,436,905.90/22,091.58
6. Step 6: Final answer
   x = 16,587.18