Finding the Fourth Proportional to 139,949.39, 209,923.20 and 34,768.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,949.39 : 209,923.20 = 34,768.32 : x
2. Step 2: Convert to fraction form
   139,949.39/209,923.20 = 34,768.32/x
3. Step 3: Cross multiply
   139,949.39x = 209,923.20 × 34,768.32
4. Step 4: Simplify right side
   139,949.39x = 7,298,676,993.02
5. Step 5: Solve for x
   x = 7,298,676,993.02/139,949.39
6. Step 6: Final answer
   x = 52,152.26