Finding the Fourth Proportional to 447,931.69, 618,145.76 and 246,727.69

Step by Step Solution

1. Step 1: Write the proportion equation
   447,931.69 : 618,145.76 = 246,727.69 : x
2. Step 2: Convert to fraction form
   447,931.69/618,145.76 = 246,727.69/x
3. Step 3: Cross multiply
   447,931.69x = 618,145.76 × 246,727.69
4. Step 4: Simplify right side
   447,931.69x = 152,513,674,519.55
5. Step 5: Solve for x
   x = 152,513,674,519.55/447,931.69
6. Step 6: Final answer
   x = 340,484.23