Finding the Fourth Proportional to 50,459.27, 69,628.56 and 31,075.11

Step by Step Solution

1. Step 1: Write the proportion equation
   50,459.27 : 69,628.56 = 31,075.11 : x
2. Step 2: Convert to fraction form
   50,459.27/69,628.56 = 31,075.11/x
3. Step 3: Cross multiply
   50,459.27x = 69,628.56 × 31,075.11
4. Step 4: Simplify right side
   50,459.27x = 2,163,715,161.14
5. Step 5: Solve for x
   x = 2,163,715,161.14/50,459.27
6. Step 6: Final answer
   x = 42,880.43