Finding the Fourth Proportional to 479,615.98, 661,870.16 and 264,756.18

Step by Step Solution

1. Step 1: Write the proportion equation
   479,615.98 : 661,870.16 = 264,756.18 : x
2. Step 2: Convert to fraction form
   479,615.98/661,870.16 = 264,756.18/x
3. Step 3: Cross multiply
   479,615.98x = 661,870.16 × 264,756.18
4. Step 4: Simplify right side
   479,615.98x = 175,234,215,217.59
5. Step 5: Solve for x
   x = 175,234,215,217.59/479,615.98
6. Step 6: Final answer
   x = 365,363.59