Finding the Fourth Proportional to 225,949.99, 311,816.72 and 123,975.42

Step by Step Solution

1. Step 1: Write the proportion equation
   225,949.99 : 311,816.72 = 123,975.42 : x
2. Step 2: Convert to fraction form
   225,949.99/311,816.72 = 123,975.42/x
3. Step 3: Cross multiply
   225,949.99x = 311,816.72 × 123,975.42
4. Step 4: Simplify right side
   225,949.99x = 38,657,608,825.02
5. Step 5: Solve for x
   x = 38,657,608,825.02/225,949.99
6. Step 6: Final answer
   x = 171,089.23