Finding the Fourth Proportional to 36,291.42, 50,081.72 and 20,375.46

Step by Step Solution

1. Step 1: Write the proportion equation
   36,291.42 : 50,081.72 = 20,375.46 : x
2. Step 2: Convert to fraction form
   36,291.42/50,081.72 = 20,375.46/x
3. Step 3: Cross multiply
   36,291.42x = 50,081.72 × 20,375.46
4. Step 4: Simplify right side
   36,291.42x = 1,020,438,082.59
5. Step 5: Solve for x
   x = 1,020,438,082.59/36,291.42
6. Step 6: Final answer
   x = 28,117.89