Finding the Fourth Proportional to 222,685.59, 307,325.55 and 122,103.03

Step by Step Solution

1. Step 1: Write the proportion equation
   222,685.59 : 307,325.55 = 122,103.03 : x
2. Step 2: Convert to fraction form
   222,685.59/307,325.55 = 122,103.03/x
3. Step 3: Cross multiply
   222,685.59x = 307,325.55 × 122,103.03
4. Step 4: Simplify right side
   222,685.59x = 37,525,380,851.42
5. Step 5: Solve for x
   x = 37,525,380,851.42/222,685.59
6. Step 6: Final answer
   x = 168,512.84