Finding the Fourth Proportional to 22,194, 30,628.04 and 12,258

Step by Step Solution

1. Step 1: Write the proportion equation
   22,194 : 30,628.04 = 12,258 : x
2. Step 2: Convert to fraction form
   22,194/30,628.04 = 12,258/x
3. Step 3: Cross multiply
   22,194x = 30,628.04 × 12,258
4. Step 4: Simplify right side
   22,194x = 375,438,514.32
5. Step 5: Solve for x
   x = 375,438,514.32/22,194
6. Step 6: Final answer
   x = 16,916.22