Finding the Fourth Proportional to 21,528.25, 29,710.53 and 12,096.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,528.25 : 29,710.53 = 12,096.82 : x
2. Step 2: Convert to fraction form
   21,528.25/29,710.53 = 12,096.82/x
3. Step 3: Cross multiply
   21,528.25x = 29,710.53 × 12,096.82
4. Step 4: Simplify right side
   21,528.25x = 359,402,933.51
5. Step 5: Solve for x
   x = 359,402,933.51/21,528.25
6. Step 6: Final answer
   x = 16,694.48