Finding the Fourth Proportional to 50,524.85, 69,730.80 and 42,012.33

Step by Step Solution

1. Step 1: Write the proportion equation
   50,524.85 : 69,730.80 = 42,012.33 : x
2. Step 2: Convert to fraction form
   50,524.85/69,730.80 = 42,012.33/x
3. Step 3: Cross multiply
   50,524.85x = 69,730.80 × 42,012.33
4. Step 4: Simplify right side
   50,524.85x = 2,929,553,380.76
5. Step 5: Solve for x
   x = 2,929,553,380.76/50,524.85
6. Step 6: Final answer
   x = 57,982.43