Finding the Fourth Proportional to 15,446.86, 23,111.94 and 12,103.18

Step by Step Solution

1. Step 1: Write the proportion equation
   15,446.86 : 23,111.94 = 12,103.18 : x
2. Step 2: Convert to fraction form
   15,446.86/23,111.94 = 12,103.18/x
3. Step 3: Cross multiply
   15,446.86x = 23,111.94 × 12,103.18
4. Step 4: Simplify right side
   15,446.86x = 279,727,969.97
5. Step 5: Solve for x
   x = 279,727,969.97/15,446.86
6. Step 6: Final answer
   x = 18,109.05