Finding the Fourth Proportional to 21,527.64, 29,710.53 and 12,096

Step by Step Solution

1. Step 1: Write the proportion equation
   21,527.64 : 29,710.53 = 12,096 : x
2. Step 2: Convert to fraction form
   21,527.64/29,710.53 = 12,096/x
3. Step 3: Cross multiply
   21,527.64x = 29,710.53 × 12,096
4. Step 4: Simplify right side
   21,527.64x = 359,378,570.88
5. Step 5: Solve for x
   x = 359,378,570.88/21,527.64
6. Step 6: Final answer
   x = 16,693.82