Finding the Fourth Proportional to 806,456.38, 1,112,901.01 and 443,872.46

Step by Step Solution

1. Step 1: Write the proportion equation
   806,456.38 : 1,112,901.01 = 443,872.46 : x
2. Step 2: Convert to fraction form
   806,456.38/1,112,901.01 = 443,872.46/x
3. Step 3: Cross multiply
   806,456.38x = 1,112,901.01 × 443,872.46
4. Step 4: Simplify right side
   806,456.38x = 493,986,103,480.68
5. Step 5: Solve for x
   x = 493,986,103,480.68/806,456.38
6. Step 6: Final answer
   x = 612,539.15