Finding the Fourth Proportional to 19,648.32, 27,116.46 and 12,096.60

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648.32 : 27,116.46 = 12,096.60 : x
2. Step 2: Convert to fraction form
   19,648.32/27,116.46 = 12,096.60/x
3. Step 3: Cross multiply
   19,648.32x = 27,116.46 × 12,096.60
4. Step 4: Simplify right side
   19,648.32x = 328,016,970.04
5. Step 5: Solve for x
   x = 328,016,970.04/19,648.32
6. Step 6: Final answer
   x = 16,694.40