Finding the Fourth Proportional to 20,090.33, 27,726.83 and 12,132.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,090.33 : 27,726.83 = 12,132.38 : x
2. Step 2: Convert to fraction form
   20,090.33/27,726.83 = 12,132.38/x
3. Step 3: Cross multiply
   20,090.33x = 27,726.83 × 12,132.38
4. Step 4: Simplify right side
   20,090.33x = 336,392,526.03
5. Step 5: Solve for x
   x = 336,392,526.03/20,090.33
6. Step 6: Final answer
   x = 16,744.00