Finding the Fourth Proportional to 222,688.68, 307,329.72 and 122,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   222,688.68 : 307,329.72 = 122,106.12 : x
2. Step 2: Convert to fraction form
   222,688.68/307,329.72 = 122,106.12/x
3. Step 3: Cross multiply
   222,688.68x = 307,329.72 × 122,106.12
4. Step 4: Simplify right side
   222,688.68x = 37,526,839,669.89
5. Step 5: Solve for x
   x = 37,526,839,669.89/222,688.68
6. Step 6: Final answer
   x = 168,517.05