Finding the Fourth Proportional to 1,610.82, 2,400.71 and 1,578.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.82 : 2,400.71 = 1,578.42 : x
2. Step 2: Convert to fraction form
   1,610.82/2,400.71 = 1,578.42/x
3. Step 3: Cross multiply
   1,610.82x = 2,400.71 × 1,578.42
4. Step 4: Simplify right side
   1,610.82x = 3,789,320.79
5. Step 5: Solve for x
   x = 3,789,320.79/1,610.82
6. Step 6: Final answer
   x = 2,352.42