Finding the Fourth Proportional to 3,568.09, 5,354.42 and 1,925.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,568.09 : 5,354.42 = 1,925.78 : x
2. Step 2: Convert to fraction form
   3,568.09/5,354.42 = 1,925.78/x
3. Step 3: Cross multiply
   3,568.09x = 5,354.42 × 1,925.78
4. Step 4: Simplify right side
   3,568.09x = 10,311,434.95
5. Step 5: Solve for x
   x = 10,311,434.95/3,568.09
6. Step 6: Final answer
   x = 2,889.90