Finding the Fourth Proportional to 36,419.42, 50,259.72 and 20,504.42

Step by Step Solution

1. Step 1: Write the proportion equation
   36,419.42 : 50,259.72 = 20,504.42 : x
2. Step 2: Convert to fraction form
   36,419.42/50,259.72 = 20,504.42/x
3. Step 3: Cross multiply
   36,419.42x = 50,259.72 × 20,504.42
4. Step 4: Simplify right side
   36,419.42x = 1,030,546,407.96
5. Step 5: Solve for x
   x = 1,030,546,407.96/36,419.42
6. Step 6: Final answer
   x = 28,296.62