Finding the Fourth Proportional to 36,818.32, 50,810.72 and 20,904.25

Step by Step Solution

1. Step 1: Write the proportion equation
   36,818.32 : 50,810.72 = 20,904.25 : x
2. Step 2: Convert to fraction form
   36,818.32/50,810.72 = 20,904.25/x
3. Step 3: Cross multiply
   36,818.32x = 50,810.72 × 20,904.25
4. Step 4: Simplify right side
   36,818.32x = 1,062,159,993.56
5. Step 5: Solve for x
   x = 1,062,159,993.56/36,818.32
6. Step 6: Final answer
   x = 28,848.68