Finding the Fourth Proportional to 296,667.58, 445,128.81 and 196,862.62

Step by Step Solution

1. Step 1: Write the proportion equation
   296,667.58 : 445,128.81 = 196,862.62 : x
2. Step 2: Convert to fraction form
   296,667.58/445,128.81 = 196,862.62/x
3. Step 3: Cross multiply
   296,667.58x = 445,128.81 × 196,862.62
4. Step 4: Simplify right side
   296,667.58x = 87,629,223,774.08
5. Step 5: Solve for x
   x = 87,629,223,774.08/296,667.58
6. Step 6: Final answer
   x = 295,378.50