Finding the Fourth Proportional to 139,092.02, 208,585.65 and 50,323.58

Step by Step Solution

1. Step 1: Write the proportion equation
   139,092.02 : 208,585.65 = 50,323.58 : x
2. Step 2: Convert to fraction form
   139,092.02/208,585.65 = 50,323.58/x
3. Step 3: Cross multiply
   139,092.02x = 208,585.65 × 50,323.58
4. Step 4: Simplify right side
   139,092.02x = 10,496,776,644.63
5. Step 5: Solve for x
   x = 10,496,776,644.63/139,092.02
6. Step 6: Final answer
   x = 75,466.42