Finding the Fourth Proportional to 50,200.76, 69,271.89 and 30,057.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,200.76 : 69,271.89 = 30,057.12 : x
2. Step 2: Convert to fraction form
   50,200.76/69,271.89 = 30,057.12/x
3. Step 3: Cross multiply
   50,200.76x = 69,271.89 × 30,057.12
4. Step 4: Simplify right side
   50,200.76x = 2,082,113,510.36
5. Step 5: Solve for x
   x = 2,082,113,510.36/50,200.76
6. Step 6: Final answer
   x = 41,475.74