Finding the Fourth Proportional to 2,065.80, 3,104.63 and 1,925.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.80 : 3,104.63 = 1,925.78 : x
2. Step 2: Convert to fraction form
   2,065.80/3,104.63 = 1,925.78/x
3. Step 3: Cross multiply
   2,065.80x = 3,104.63 × 1,925.78
4. Step 4: Simplify right side
   2,065.80x = 5,978,816.43
5. Step 5: Solve for x
   x = 5,978,816.43/2,065.80
6. Step 6: Final answer
   x = 2,894.18