Finding the Fourth Proportional to 14,185.10, 21,300.69 and 7,273.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.10 : 21,300.69 = 7,273.10 : x
2. Step 2: Convert to fraction form
   14,185.10/21,300.69 = 7,273.10/x
3. Step 3: Cross multiply
   14,185.10x = 21,300.69 × 7,273.10
4. Step 4: Simplify right side
   14,185.10x = 154,922,048.44
5. Step 5: Solve for x
   x = 154,922,048.44/14,185.10
6. Step 6: Final answer
   x = 10,921.46