Finding the Fourth Proportional to 225,646.52, 311,392.15 and 123,675.25

Step by Step Solution

1. Step 1: Write the proportion equation
   225,646.52 : 311,392.15 = 123,675.25 : x
2. Step 2: Convert to fraction form
   225,646.52/311,392.15 = 123,675.25/x
3. Step 3: Cross multiply
   225,646.52x = 311,392.15 × 123,675.25
4. Step 4: Simplify right side
   225,646.52x = 38,511,501,667.85
5. Step 5: Solve for x
   x = 38,511,501,667.85/225,646.52
6. Step 6: Final answer
   x = 170,671.82