Finding the Fourth Proportional to 14,541.30, 21,667.68 and 13,836.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,541.30 : 21,667.68 = 13,836.06 : x
2. Step 2: Convert to fraction form
   14,541.30/21,667.68 = 13,836.06/x
3. Step 3: Cross multiply
   14,541.30x = 21,667.68 × 13,836.06
4. Step 4: Simplify right side
   14,541.30x = 299,795,320.54
5. Step 5: Solve for x
   x = 299,795,320.54/14,541.30
6. Step 6: Final answer
   x = 20,616.82