Finding the Fourth Proportional to 50,299.89, 69,415.73 and 30,160.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,299.89 : 69,415.73 = 30,160.05 : x
2. Step 2: Convert to fraction form
   50,299.89/69,415.73 = 30,160.05/x
3. Step 3: Cross multiply
   50,299.89x = 69,415.73 × 30,160.05
4. Step 4: Simplify right side
   50,299.89x = 2,093,581,736.79
5. Step 5: Solve for x
   x = 2,093,581,736.79/50,299.89
6. Step 6: Final answer
   x = 41,621.99