Finding the Fourth Proportional to 2,680.56, 4,018.04 and 925.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.56 : 4,018.04 = 925.04 : x
2. Step 2: Convert to fraction form
   2,680.56/4,018.04 = 925.04/x
3. Step 3: Cross multiply
   2,680.56x = 4,018.04 × 925.04
4. Step 4: Simplify right side
   2,680.56x = 3,716,847.72
5. Step 5: Solve for x
   x = 3,716,847.72/2,680.56
6. Step 6: Final answer
   x = 1,386.59