Finding the Fourth Proportional to 33,157.56, 49,736.48 and 13,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,157.56 : 49,736.48 = 13,436.50 : x
2. Step 2: Convert to fraction form
   33,157.56/49,736.48 = 13,436.50/x
3. Step 3: Cross multiply
   33,157.56x = 49,736.48 × 13,436.50
4. Step 4: Simplify right side
   33,157.56x = 668,284,213.52
5. Step 5: Solve for x
   x = 668,284,213.52/33,157.56
6. Step 6: Final answer
   x = 20,154.81