Finding the Fourth Proportional to 21,614.16, 29,827.48 and 12,054.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,614.16 : 29,827.48 = 12,054.06 : x
2. Step 2: Convert to fraction form
   21,614.16/29,827.48 = 12,054.06/x
3. Step 3: Cross multiply
   21,614.16x = 29,827.48 × 12,054.06
4. Step 4: Simplify right side
   21,614.16x = 359,542,084.43
5. Step 5: Solve for x
   x = 359,542,084.43/21,614.16
6. Step 6: Final answer
   x = 16,634.56