Finding the Fourth Proportional to 2,456.78, 3,681.07 and 1,068.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.78 : 3,681.07 = 1,068.04 : x
2. Step 2: Convert to fraction form
   2,456.78/3,681.07 = 1,068.04/x
3. Step 3: Cross multiply
   2,456.78x = 3,681.07 × 1,068.04
4. Step 4: Simplify right side
   2,456.78x = 3,931,518.13
5. Step 5: Solve for x
   x = 3,931,518.13/2,456.78
6. Step 6: Final answer
   x = 1,600.27