Finding the Fourth Proportional to 1,074,624.68, 1,611,804.72 and 443,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,624.68 : 1,611,804.72 = 443,456.48 : x
2. Step 2: Convert to fraction form
   1,074,624.68/1,611,804.72 = 443,456.48/x
3. Step 3: Cross multiply
   1,074,624.68x = 1,611,804.72 × 443,456.48
4. Step 4: Simplify right side
   1,074,624.68x = 714,765,247,578.59
5. Step 5: Solve for x
   x = 714,765,247,578.59/1,074,624.68
6. Step 6: Final answer
   x = 665,130.12