Finding the Fourth Proportional to 139,674.06, 209,384.01 and 50,907.33

Step by Step Solution

1. Step 1: Write the proportion equation
   139,674.06 : 209,384.01 = 50,907.33 : x
2. Step 2: Convert to fraction form
   139,674.06/209,384.01 = 50,907.33/x
3. Step 3: Cross multiply
   139,674.06x = 209,384.01 × 50,907.33
4. Step 4: Simplify right side
   139,674.06x = 10,659,180,893.79
5. Step 5: Solve for x
   x = 10,659,180,893.79/139,674.06
6. Step 6: Final answer
   x = 76,314.68