Finding the Fourth Proportional to 2,131,839.86, 2,942,239.06 and 1,357,223.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,839.86 : 2,942,239.06 = 1,357,223.24 : x
2. Step 2: Convert to fraction form
   2,131,839.86/2,942,239.06 = 1,357,223.24/x
3. Step 3: Cross multiply
   2,131,839.86x = 2,942,239.06 × 1,357,223.24
4. Step 4: Simplify right side
   2,131,839.86x = 3,993,275,229,867.75
5. Step 5: Solve for x
   x = 3,993,275,229,867.75/2,131,839.86
6. Step 6: Final answer
   x = 1,873,159.10