Finding the Fourth Proportional to 33,534.72, 50,290.56 and 12,764.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,534.72 : 50,290.56 = 12,764.16 : x
2. Step 2: Convert to fraction form
   33,534.72/50,290.56 = 12,764.16/x
3. Step 3: Cross multiply
   33,534.72x = 50,290.56 × 12,764.16
4. Step 4: Simplify right side
   33,534.72x = 641,916,754.33
5. Step 5: Solve for x
   x = 641,916,754.33/33,534.72
6. Step 6: Final answer
   x = 19,141.86