Finding the Fourth Proportional to 806,315.01, 1,112,674.52 and 443,729.54

Step by Step Solution

1. Step 1: Write the proportion equation
   806,315.01 : 1,112,674.52 = 443,729.54 : x
2. Step 2: Convert to fraction form
   806,315.01/1,112,674.52 = 443,729.54/x
3. Step 3: Cross multiply
   806,315.01x = 1,112,674.52 × 443,729.54
4. Step 4: Simplify right side
   806,315.01x = 493,726,556,820.33
5. Step 5: Solve for x
   x = 493,726,556,820.33/806,315.01
6. Step 6: Final answer
   x = 612,324.65