Finding the Fourth Proportional to 33,729.89, 50,597.28 and 12,953.39

Step by Step Solution

1. Step 1: Write the proportion equation
   33,729.89 : 50,597.28 = 12,953.39 : x
2. Step 2: Convert to fraction form
   33,729.89/50,597.28 = 12,953.39/x
3. Step 3: Cross multiply
   33,729.89x = 50,597.28 × 12,953.39
4. Step 4: Simplify right side
   33,729.89x = 655,406,300.78
5. Step 5: Solve for x
   x = 655,406,300.78/33,729.89
6. Step 6: Final answer
   x = 19,431.02