Finding the Fourth Proportional to 21,758.78, 30,025.94 and 12,327.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,758.78 : 30,025.94 = 12,327.14 : x
2. Step 2: Convert to fraction form
   21,758.78/30,025.94 = 12,327.14/x
3. Step 3: Cross multiply
   21,758.78x = 30,025.94 × 12,327.14
4. Step 4: Simplify right side
   21,758.78x = 370,133,966.01
5. Step 5: Solve for x
   x = 370,133,966.01/21,758.78
6. Step 6: Final answer
   x = 17,010.79