Finding the Fourth Proportional to 2,456.91, 3,681.26 and 1,068.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.91 : 3,681.26 = 1,068.16 : x
2. Step 2: Convert to fraction form
   2,456.91/3,681.26 = 1,068.16/x
3. Step 3: Cross multiply
   2,456.91x = 3,681.26 × 1,068.16
4. Step 4: Simplify right side
   2,456.91x = 3,932,178.54
5. Step 5: Solve for x
   x = 3,932,178.54/2,456.91
6. Step 6: Final answer
   x = 1,600.46