Finding the Fourth Proportional to 200,245, 300,134.22 and 111,456.04

Step by Step Solution

1. Step 1: Write the proportion equation
   200,245 : 300,134.22 = 111,456.04 : x
2. Step 2: Convert to fraction form
   200,245/300,134.22 = 111,456.04/x
3. Step 3: Cross multiply
   200,245x = 300,134.22 × 111,456.04
4. Step 4: Simplify right side
   200,245x = 33,451,771,629.69
5. Step 5: Solve for x
   x = 33,451,771,629.69/200,245
6. Step 6: Final answer
   x = 167,054.22