Finding the Fourth Proportional to 2,055,309.72, 3,082,743.10 and 539,144.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055,309.72 : 3,082,743.10 = 539,144.63 : x
2. Step 2: Convert to fraction form
   2,055,309.72/3,082,743.10 = 539,144.63/x
3. Step 3: Cross multiply
   2,055,309.72x = 3,082,743.10 × 539,144.63
4. Step 4: Simplify right side
   2,055,309.72x = 1,662,044,388,034.55
5. Step 5: Solve for x
   x = 1,662,044,388,034.55/2,055,309.72
6. Step 6: Final answer
   x = 808,658.85