Finding the Fourth Proportional to 21,932.82, 30,267.81 and 12,501.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,932.82 : 30,267.81 = 12,501.18 : x
2. Step 2: Convert to fraction form
   21,932.82/30,267.81 = 12,501.18/x
3. Step 3: Cross multiply
   21,932.82x = 30,267.81 × 12,501.18
4. Step 4: Simplify right side
   21,932.82x = 378,383,341.02
5. Step 5: Solve for x
   x = 378,383,341.02/21,932.82
6. Step 6: Final answer
   x = 17,251.92