Finding the Fourth Proportional to 315,662.52, 435,485.30 and 233,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   315,662.52 : 435,485.30 = 233,074.42 : x
2. Step 2: Convert to fraction form
   315,662.52/435,485.30 = 233,074.42/x
3. Step 3: Cross multiply
   315,662.52x = 435,485.30 × 233,074.42
4. Step 4: Simplify right side
   315,662.52x = 101,500,483,716.03
5. Step 5: Solve for x
   x = 101,500,483,716.03/315,662.52
6. Step 6: Final answer
   x = 321,547.47