Finding the Fourth Proportional to 767,509.98, 1,150,568.01 and 268,601.82

Step by Step Solution

1. Step 1: Write the proportion equation
   767,509.98 : 1,150,568.01 = 268,601.82 : x
2. Step 2: Convert to fraction form
   767,509.98/1,150,568.01 = 268,601.82/x
3. Step 3: Cross multiply
   767,509.98x = 1,150,568.01 × 268,601.82
4. Step 4: Simplify right side
   767,509.98x = 309,044,661,519.78
5. Step 5: Solve for x
   x = 309,044,661,519.78/767,509.98
6. Step 6: Final answer
   x = 402,658.82