Finding the Fourth Proportional to 2,153,456.34, 3,230,745.23 and 805,724.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,456.34 : 3,230,745.23 = 805,724.34 : x
2. Step 2: Convert to fraction form
   2,153,456.34/3,230,745.23 = 805,724.34/x
3. Step 3: Cross multiply
   2,153,456.34x = 3,230,745.23 × 805,724.34
4. Step 4: Simplify right side
   2,153,456.34x = 2,603,090,068,149.90
5. Step 5: Solve for x
   x = 2,603,090,068,149.90/2,153,456.34
6. Step 6: Final answer
   x = 1,208,796.31