Finding the Fourth Proportional to 14,482.28, 19,983.24 and 8,109.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,482.28 : 19,983.24 = 8,109.15 : x
2. Step 2: Convert to fraction form
   14,482.28/19,983.24 = 8,109.15/x
3. Step 3: Cross multiply
   14,482.28x = 19,983.24 × 8,109.15
4. Step 4: Simplify right side
   14,482.28x = 162,047,090.65
5. Step 5: Solve for x
   x = 162,047,090.65/14,482.28
6. Step 6: Final answer
   x = 11,189.34