Finding the Fourth Proportional to 321,921.72, 483,200.55 and 241,680.69

Step by Step Solution

1. Step 1: Write the proportion equation
   321,921.72 : 483,200.55 = 241,680.69 : x
2. Step 2: Convert to fraction form
   321,921.72/483,200.55 = 241,680.69/x
3. Step 3: Cross multiply
   321,921.72x = 483,200.55 × 241,680.69
4. Step 4: Simplify right side
   321,921.72x = 116,780,242,332.38
5. Step 5: Solve for x
   x = 116,780,242,332.38/321,921.72
6. Step 6: Final answer
   x = 362,759.75