Finding the Fourth Proportional to 139,372.23, 209,046.04 and 50,626.51

Step by Step Solution

1. Step 1: Write the proportion equation
   139,372.23 : 209,046.04 = 50,626.51 : x
2. Step 2: Convert to fraction form
   139,372.23/209,046.04 = 50,626.51/x
3. Step 3: Cross multiply
   139,372.23x = 209,046.04 × 50,626.51
4. Step 4: Simplify right side
   139,372.23x = 10,583,271,434.52
5. Step 5: Solve for x
   x = 10,583,271,434.52/139,372.23
6. Step 6: Final answer
   x = 75,935.30