Finding the Fourth Proportional to 21,527.91, 29,708.01 and 12,096.45

Step by Step Solution

1. Step 1: Write the proportion equation
   21,527.91 : 29,708.01 = 12,096.45 : x
2. Step 2: Convert to fraction form
   21,527.91/29,708.01 = 12,096.45/x
3. Step 3: Cross multiply
   21,527.91x = 29,708.01 × 12,096.45
4. Step 4: Simplify right side
   21,527.91x = 359,361,457.56
5. Step 5: Solve for x
   x = 359,361,457.56/21,527.91
6. Step 6: Final answer
   x = 16,692.82