Finding the Fourth Proportional to 49,815.39, 69,216.98 and 49,295.37

Step by Step Solution

1. Step 1: Write the proportion equation
   49,815.39 : 69,216.98 = 49,295.37 : x
2. Step 2: Convert to fraction form
   49,815.39/69,216.98 = 49,295.37/x
3. Step 3: Cross multiply
   49,815.39x = 69,216.98 × 49,295.37
4. Step 4: Simplify right side
   49,815.39x = 3,412,076,639.38
5. Step 5: Solve for x
   x = 3,412,076,639.38/49,815.39
6. Step 6: Final answer
   x = 68,494.43