Finding the Fourth Proportional to 2,343.20, 3,514.82 and 611.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.20 : 3,514.82 = 611.82 : x
2. Step 2: Convert to fraction form
   2,343.20/3,514.82 = 611.82/x
3. Step 3: Cross multiply
   2,343.20x = 3,514.82 × 611.82
4. Step 4: Simplify right side
   2,343.20x = 2,150,434.11
5. Step 5: Solve for x
   x = 2,150,434.11/2,343.20
6. Step 6: Final answer
   x = 917.74