Finding the Fourth Proportional to 16,805.94, 23,189.67 and 10,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.94 : 23,189.67 = 10,090.50 : x
2. Step 2: Convert to fraction form
   16,805.94/23,189.67 = 10,090.50/x
3. Step 3: Cross multiply
   16,805.94x = 23,189.67 × 10,090.50
4. Step 4: Simplify right side
   16,805.94x = 233,995,365.14
5. Step 5: Solve for x
   x = 233,995,365.14/16,805.94
6. Step 6: Final answer
   x = 13,923.37