Finding the Fourth Proportional to 496,329.76, 685,056.72 and 281,595.52

Step by Step Solution

1. Step 1: Write the proportion equation
   496,329.76 : 685,056.72 = 281,595.52 : x
2. Step 2: Convert to fraction form
   496,329.76/685,056.72 = 281,595.52/x
3. Step 3: Cross multiply
   496,329.76x = 685,056.72 × 281,595.52
4. Step 4: Simplify right side
   496,329.76x = 192,908,903,297.89
5. Step 5: Solve for x
   x = 192,908,903,297.89/496,329.76
6. Step 6: Final answer
   x = 388,670.84