Finding the Fourth Proportional to 22,162.60, 30,584.34 and 12,091.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.60 : 30,584.34 = 12,091.05 : x
2. Step 2: Convert to fraction form
   22,162.60/30,584.34 = 12,091.05/x
3. Step 3: Cross multiply
   22,162.60x = 30,584.34 × 12,091.05
4. Step 4: Simplify right side
   22,162.60x = 369,796,784.16
5. Step 5: Solve for x
   x = 369,796,784.16/22,162.60
6. Step 6: Final answer
   x = 16,685.62