Finding the Fourth Proportional to 479,443.59, 661,630.68 and 264,581.78

Step by Step Solution

1. Step 1: Write the proportion equation
   479,443.59 : 661,630.68 = 264,581.78 : x
2. Step 2: Convert to fraction form
   479,443.59/661,630.68 = 264,581.78/x
3. Step 3: Cross multiply
   479,443.59x = 661,630.68 × 264,581.78
4. Step 4: Simplify right side
   479,443.59x = 175,055,419,708.86
5. Step 5: Solve for x
   x = 175,055,419,708.86/479,443.59
6. Step 6: Final answer
   x = 365,122.04