Finding the Fourth Proportional to 359,496.01, 496,016.04 and 219,759.31

Step by Step Solution

1. Step 1: Write the proportion equation
   359,496.01 : 496,016.04 = 219,759.31 : x
2. Step 2: Convert to fraction form
   359,496.01/496,016.04 = 219,759.31/x
3. Step 3: Cross multiply
   359,496.01x = 496,016.04 × 219,759.31
4. Step 4: Simplify right side
   359,496.01x = 109,004,142,699.33
5. Step 5: Solve for x
   x = 109,004,142,699.33/359,496.01
6. Step 6: Final answer
   x = 303,213.78