Finding the Fourth Proportional to 50,284.72, 69,388.14 and 30,137.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,284.72 : 69,388.14 = 30,137.86 : x
2. Step 2: Convert to fraction form
   50,284.72/69,388.14 = 30,137.86/x
3. Step 3: Cross multiply
   50,284.72x = 69,388.14 × 30,137.86
4. Step 4: Simplify right side
   50,284.72x = 2,091,210,048.98
5. Step 5: Solve for x
   x = 2,091,210,048.98/50,284.72
6. Step 6: Final answer
   x = 41,587.39