Finding the Fourth Proportional to 50,357.49, 69,455.57 and 48,124.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,357.49 : 69,455.57 = 48,124.05 : x
2. Step 2: Convert to fraction form
   50,357.49/69,455.57 = 48,124.05/x
3. Step 3: Cross multiply
   50,357.49x = 69,455.57 × 48,124.05
4. Step 4: Simplify right side
   50,357.49x = 3,342,483,323.46
5. Step 5: Solve for x
   x = 3,342,483,323.46/50,357.49
6. Step 6: Final answer
   x = 66,375.10