Finding the Fourth Proportional to 2,057,542.88, 2,839,408.71 and 1,139,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,542.88 : 2,839,408.71 = 1,139,831.42 : x
2. Step 2: Convert to fraction form
   2,057,542.88/2,839,408.71 = 1,139,831.42/x
3. Step 3: Cross multiply
   2,057,542.88x = 2,839,408.71 × 1,139,831.42
4. Step 4: Simplify right side
   2,057,542.88x = 3,236,447,261,879.67
5. Step 5: Solve for x
   x = 3,236,447,261,879.67/2,057,542.88
6. Step 6: Final answer
   x = 1,572,967.10