Finding the Fourth Proportional to 2,231.98, 3,079.68 and 1,347.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.98 : 3,079.68 = 1,347.83 : x
2. Step 2: Convert to fraction form
   2,231.98/3,079.68 = 1,347.83/x
3. Step 3: Cross multiply
   2,231.98x = 3,079.68 × 1,347.83
4. Step 4: Simplify right side
   2,231.98x = 4,150,885.09
5. Step 5: Solve for x
   x = 4,150,885.09/2,231.98
6. Step 6: Final answer
   x = 1,859.73