Finding the Fourth Proportional to 139,306.98, 208,989.41 and 63,369.39

Step by Step Solution

1. Step 1: Write the proportion equation
   139,306.98 : 208,989.41 = 63,369.39 : x
2. Step 2: Convert to fraction form
   139,306.98/208,989.41 = 63,369.39/x
3. Step 3: Cross multiply
   139,306.98x = 208,989.41 × 63,369.39
4. Step 4: Simplify right side
   139,306.98x = 13,243,531,111.31
5. Step 5: Solve for x
   x = 13,243,531,111.31/139,306.98
6. Step 6: Final answer
   x = 95,067.25