Finding the Fourth Proportional to 33,546.72, 50,308.56 and 12,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,546.72 : 50,308.56 = 12,776.16 : x
2. Step 2: Convert to fraction form
   33,546.72/50,308.56 = 12,776.16/x
3. Step 3: Cross multiply
   33,546.72x = 50,308.56 × 12,776.16
4. Step 4: Simplify right side
   33,546.72x = 642,750,211.93
5. Step 5: Solve for x
   x = 642,750,211.93/33,546.72
6. Step 6: Final answer
   x = 19,159.85