Finding the Fourth Proportional to 36,380.64, 50,201.72 and 20,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,380.64 : 50,201.72 = 20,464.72 : x
2. Step 2: Convert to fraction form
   36,380.64/50,201.72 = 20,464.72/x
3. Step 3: Cross multiply
   36,380.64x = 50,201.72 × 20,464.72
4. Step 4: Simplify right side
   36,380.64x = 1,027,364,143.32
5. Step 5: Solve for x
   x = 1,027,364,143.32/36,380.64
6. Step 6: Final answer
   x = 28,239.31