Finding the Fourth Proportional to 222,971.69, 307,699.38 and 120,994.56

Step by Step Solution

1. Step 1: Write the proportion equation
   222,971.69 : 307,699.38 = 120,994.56 : x
2. Step 2: Convert to fraction form
   222,971.69/307,699.38 = 120,994.56/x
3. Step 3: Cross multiply
   222,971.69x = 307,699.38 × 120,994.56
4. Step 4: Simplify right side
   222,971.69x = 37,229,951,095.37
5. Step 5: Solve for x
   x = 37,229,951,095.37/222,971.69
6. Step 6: Final answer
   x = 166,971.65