Finding the Fourth Proportional to 21,527.71, 29,709.12 and 12,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,527.71 : 29,709.12 = 12,096.25 : x
2. Step 2: Convert to fraction form
   21,527.71/29,709.12 = 12,096.25/x
3. Step 3: Cross multiply
   21,527.71x = 29,709.12 × 12,096.25
4. Step 4: Simplify right side
   21,527.71x = 359,368,942.80
5. Step 5: Solve for x
   x = 359,368,942.80/21,527.71
6. Step 6: Final answer
   x = 16,693.32