Finding the Fourth Proportional to 139,636.82, 209,105.30 and 110,214.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,636.82 : 209,105.30 = 110,214.38 : x
2. Step 2: Convert to fraction form
   139,636.82/209,105.30 = 110,214.38/x
3. Step 3: Cross multiply
   139,636.82x = 209,105.30 × 110,214.38
4. Step 4: Simplify right side
   139,636.82x = 23,046,410,994.21
5. Step 5: Solve for x
   x = 23,046,410,994.21/139,636.82
6. Step 6: Final answer
   x = 165,045.37