Finding the Fourth Proportional to 22,094, 30,489.72 and 12,158

Step by Step Solution

1. Step 1: Write the proportion equation
   22,094 : 30,489.72 = 12,158 : x
2. Step 2: Convert to fraction form
   22,094/30,489.72 = 12,158/x
3. Step 3: Cross multiply
   22,094x = 30,489.72 × 12,158
4. Step 4: Simplify right side
   22,094x = 370,694,015.76
5. Step 5: Solve for x
   x = 370,694,015.76/22,094
6. Step 6: Final answer
   x = 16,778.04