Finding the Fourth Proportional to 359,832.72, 496,612.92 and 208,929.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,832.72 : 496,612.92 = 208,929.72 : x
2. Step 2: Convert to fraction form
   359,832.72/496,612.92 = 208,929.72/x
3. Step 3: Cross multiply
   359,832.72x = 496,612.92 × 208,929.72
4. Step 4: Simplify right side
   359,832.72x = 103,757,198,323.98
5. Step 5: Solve for x
   x = 103,757,198,323.98/359,832.72
6. Step 6: Final answer
   x = 288,348.43