Finding the Fourth Proportional to 50,282.37, 69,384.60 and 30,138.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,282.37 : 69,384.60 = 30,138.89 : x
2. Step 2: Convert to fraction form
   50,282.37/69,384.60 = 30,138.89/x
3. Step 3: Cross multiply
   50,282.37x = 69,384.60 × 30,138.89
4. Step 4: Simplify right side
   50,282.37x = 2,091,174,480.17
5. Step 5: Solve for x
   x = 2,091,174,480.17/50,282.37
6. Step 6: Final answer
   x = 41,588.62