Finding the Fourth Proportional to 3,821,168.79, 5,732,689.55 and 3,139,208.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,821,168.79 : 5,732,689.55 = 3,139,208.73 : x
2. Step 2: Convert to fraction form
   3,821,168.79/5,732,689.55 = 3,139,208.73/x
3. Step 3: Cross multiply
   3,821,168.79x = 5,732,689.55 × 3,139,208.73
4. Step 4: Simplify right side
   3,821,168.79x = 17,996,109,066,043.73
5. Step 5: Solve for x
   x = 17,996,109,066,043.73/3,821,168.79
6. Step 6: Final answer
   x = 4,709,582.34