Finding the Fourth Proportional to 395,667.14, 546,209.88 and 225,868.46

Step by Step Solution

1. Step 1: Write the proportion equation
   395,667.14 : 546,209.88 = 225,868.46 : x
2. Step 2: Convert to fraction form
   395,667.14/546,209.88 = 225,868.46/x
3. Step 3: Cross multiply
   395,667.14x = 546,209.88 × 225,868.46
4. Step 4: Simplify right side
   395,667.14x = 123,371,584,432.39
5. Step 5: Solve for x
   x = 123,371,584,432.39/395,667.14
6. Step 6: Final answer
   x = 311,806.50