Finding the Fourth Proportional to 50,388.41, 69,500.27 and 42,782.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,388.41 : 69,500.27 = 42,782.28 : x
2. Step 2: Convert to fraction form
   50,388.41/69,500.27 = 42,782.28/x
3. Step 3: Cross multiply
   50,388.41x = 69,500.27 × 42,782.28
4. Step 4: Simplify right side
   50,388.41x = 2,973,379,857.55
5. Step 5: Solve for x
   x = 2,973,379,857.55/50,388.41
6. Step 6: Final answer
   x = 59,009.20