Finding the Fourth Proportional to 33,309.12, 45,944.82 and 21,353.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,309.12 : 45,944.82 = 21,353.52 : x
2. Step 2: Convert to fraction form
   33,309.12/45,944.82 = 21,353.52/x
3. Step 3: Cross multiply
   33,309.12x = 45,944.82 × 21,353.52
4. Step 4: Simplify right side
   33,309.12x = 981,083,632.77
5. Step 5: Solve for x
   x = 981,083,632.77/33,309.12
6. Step 6: Final answer
   x = 29,453.90