Finding the Fourth Proportional to 33,300.16, 45,964.56 and 20,557.36

Step by Step Solution

1. Step 1: Write the proportion equation
   33,300.16 : 45,964.56 = 20,557.36 : x
2. Step 2: Convert to fraction form
   33,300.16/45,964.56 = 20,557.36/x
3. Step 3: Cross multiply
   33,300.16x = 45,964.56 × 20,557.36
4. Step 4: Simplify right side
   33,300.16x = 944,910,007.16
5. Step 5: Solve for x
   x = 944,910,007.16/33,300.16
6. Step 6: Final answer
   x = 28,375.54