Finding the Fourth Proportional to 12,308.19, 18,366.23 and 10,982.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.19 : 18,366.23 = 10,982.83 : x
2. Step 2: Convert to fraction form
   12,308.19/18,366.23 = 10,982.83/x
3. Step 3: Cross multiply
   12,308.19x = 18,366.23 × 10,982.83
4. Step 4: Simplify right side
   12,308.19x = 201,713,181.83
5. Step 5: Solve for x
   x = 201,713,181.83/12,308.19
6. Step 6: Final answer
   x = 16,388.53