Finding the Fourth Proportional to 2,383.52, 3,290.78 and 1,942.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.52 : 3,290.78 = 1,942.47 : x
2. Step 2: Convert to fraction form
   2,383.52/3,290.78 = 1,942.47/x
3. Step 3: Cross multiply
   2,383.52x = 3,290.78 × 1,942.47
4. Step 4: Simplify right side
   2,383.52x = 6,392,231.71
5. Step 5: Solve for x
   x = 6,392,231.71/2,383.52
6. Step 6: Final answer
   x = 2,681.85