Finding the Fourth Proportional to 21,792.38, 30,073.29 and 12,361.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,792.38 : 30,073.29 = 12,361.01 : x
2. Step 2: Convert to fraction form
   21,792.38/30,073.29 = 12,361.01/x
3. Step 3: Cross multiply
   21,792.38x = 30,073.29 × 12,361.01
4. Step 4: Simplify right side
   21,792.38x = 371,736,238.42
5. Step 5: Solve for x
   x = 371,736,238.42/21,792.38
6. Step 6: Final answer
   x = 17,058.08