Finding the Fourth Proportional to 359,926, 496,697.92 and 209,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,926 : 496,697.92 = 209,032.72 : x
2. Step 2: Convert to fraction form
   359,926/496,697.92 = 209,032.72/x
3. Step 3: Cross multiply
   359,926x = 496,697.92 × 209,032.72
4. Step 4: Simplify right side
   359,926x = 103,826,117,235.94
5. Step 5: Solve for x
   x = 103,826,117,235.94/359,926
6. Step 6: Final answer
   x = 288,465.18