Finding the Fourth Proportional to 50,533.74, 69,743.02 and 42,021.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50,533.74 : 69,743.02 = 42,021.22 : x
2. Step 2: Convert to fraction form
   50,533.74/69,743.02 = 42,021.22/x
3. Step 3: Cross multiply
   50,533.74x = 69,743.02 × 42,021.22
4. Step 4: Simplify right side
   50,533.74x = 2,930,686,786.88
5. Step 5: Solve for x
   x = 2,930,686,786.88/50,533.74
6. Step 6: Final answer
   x = 57,994.65