Finding the Fourth Proportional to 225,727.49, 311,495.63 and 123,750.72

Step by Step Solution

1. Step 1: Write the proportion equation
   225,727.49 : 311,495.63 = 123,750.72 : x
2. Step 2: Convert to fraction form
   225,727.49/311,495.63 = 123,750.72/x
3. Step 3: Cross multiply
   225,727.49x = 311,495.63 × 123,750.72
4. Step 4: Simplify right side
   225,727.49x = 38,547,807,870.60
5. Step 5: Solve for x
   x = 38,547,807,870.60/225,727.49
6. Step 6: Final answer
   x = 170,771.44