Finding the Fourth Proportional to 968,404.41, 1,452,772.06 and 399,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   968,404.41 : 1,452,772.06 = 399,474.50 : x
2. Step 2: Convert to fraction form
   968,404.41/1,452,772.06 = 399,474.50/x
3. Step 3: Cross multiply
   968,404.41x = 1,452,772.06 × 399,474.50
4. Step 4: Simplify right side
   968,404.41x = 580,345,384,019.92
5. Step 5: Solve for x
   x = 580,345,384,019.92/968,404.41
6. Step 6: Final answer
   x = 599,279.99