Finding the Fourth Proportional to 50,189.42, 69,259.20 and 30,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,189.42 : 69,259.20 = 30,057.50 : x
2. Step 2: Convert to fraction form
   50,189.42/69,259.20 = 30,057.50/x
3. Step 3: Cross multiply
   50,189.42x = 69,259.20 × 30,057.50
4. Step 4: Simplify right side
   50,189.42x = 2,081,758,404
5. Step 5: Solve for x
   x = 2,081,758,404/50,189.42
6. Step 6: Final answer
   x = 41,478.03