Finding the Fourth Proportional to 315,443.72, 435,468.42 and 194,651.53

Step by Step Solution

1. Step 1: Write the proportion equation
   315,443.72 : 435,468.42 = 194,651.53 : x
2. Step 2: Convert to fraction form
   315,443.72/435,468.42 = 194,651.53/x
3. Step 3: Cross multiply
   315,443.72x = 435,468.42 × 194,651.53
4. Step 4: Simplify right side
   315,443.72x = 84,764,593,131.01
5. Step 5: Solve for x
   x = 84,764,593,131.01/315,443.72
6. Step 6: Final answer
   x = 268,715.42