Finding the Fourth Proportional to 20,069.82, 27,697.37 and 12,111.93

Step by Step Solution

1. Step 1: Write the proportion equation
   20,069.82 : 27,697.37 = 12,111.93 : x
2. Step 2: Convert to fraction form
   20,069.82/27,697.37 = 12,111.93/x
3. Step 3: Cross multiply
   20,069.82x = 27,697.37 × 12,111.93
4. Step 4: Simplify right side
   20,069.82x = 335,468,546.06
5. Step 5: Solve for x
   x = 335,468,546.06/20,069.82
6. Step 6: Final answer
   x = 16,715.07