Finding the Fourth Proportional to 49,817.39, 69,219.77 and 49,297.37

Step by Step Solution

1. Step 1: Write the proportion equation
   49,817.39 : 69,219.77 = 49,297.37 : x
2. Step 2: Convert to fraction form
   49,817.39/69,219.77 = 49,297.37/x
3. Step 3: Cross multiply
   49,817.39x = 69,219.77 × 49,297.37
4. Step 4: Simplify right side
   49,817.39x = 3,412,352,020.42
5. Step 5: Solve for x
   x = 3,412,352,020.42/49,817.39
6. Step 6: Final answer
   x = 68,497.21