Finding the Fourth Proportional to 36,604.98, 50,518.89 and 20,478.15

Step by Step Solution

1. Step 1: Write the proportion equation
   36,604.98 : 50,518.89 = 20,478.15 : x
2. Step 2: Convert to fraction form
   36,604.98/50,518.89 = 20,478.15/x
3. Step 3: Cross multiply
   36,604.98x = 50,518.89 × 20,478.15
4. Step 4: Simplify right side
   36,604.98x = 1,034,533,407.25
5. Step 5: Solve for x
   x = 1,034,533,407.25/36,604.98
6. Step 6: Final answer
   x = 28,262.09