Finding the Fourth Proportional to 139,006.26, 208,525.59 and 50,301.54

Step by Step Solution

1. Step 1: Write the proportion equation
   139,006.26 : 208,525.59 = 50,301.54 : x
2. Step 2: Convert to fraction form
   139,006.26/208,525.59 = 50,301.54/x
3. Step 3: Cross multiply
   139,006.26x = 208,525.59 × 50,301.54
4. Step 4: Simplify right side
   139,006.26x = 10,489,158,306.41
5. Step 5: Solve for x
   x = 10,489,158,306.41/139,006.26
6. Step 6: Final answer
   x = 75,458.17