Finding the Fourth Proportional to 359,568.72, 496,202.76 and 208,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   359,568.72 : 496,202.76 = 208,662.48 : x
2. Step 2: Convert to fraction form
   359,568.72/496,202.76 = 208,662.48/x
3. Step 3: Cross multiply
   359,568.72x = 496,202.76 × 208,662.48
4. Step 4: Simplify right side
   359,568.72x = 103,538,898,484.45
5. Step 5: Solve for x
   x = 103,538,898,484.45/359,568.72
6. Step 6: Final answer
   x = 287,953.02