Finding the Fourth Proportional to 359,933.50, 496,708.27 and 209,040.22

Step by Step Solution

1. Step 1: Write the proportion equation
   359,933.50 : 496,708.27 = 209,040.22 : x
2. Step 2: Convert to fraction form
   359,933.50/496,708.27 = 209,040.22/x
3. Step 3: Cross multiply
   359,933.50x = 496,708.27 × 209,040.22
4. Step 4: Simplify right side
   359,933.50x = 103,832,006,036.62
5. Step 5: Solve for x
   x = 103,832,006,036.62/359,933.50
6. Step 6: Final answer
   x = 288,475.53