Finding the Fourth Proportional to 21,085.68, 29,096.82 and 11,523.62

Step by Step Solution

1. Step 1: Write the proportion equation
   21,085.68 : 29,096.82 = 11,523.62 : x
2. Step 2: Convert to fraction form
   21,085.68/29,096.82 = 11,523.62/x
3. Step 3: Cross multiply
   21,085.68x = 29,096.82 × 11,523.62
4. Step 4: Simplify right side
   21,085.68x = 335,300,696.89
5. Step 5: Solve for x
   x = 335,300,696.89/21,085.68
6. Step 6: Final answer
   x = 15,901.82