Finding the Fourth Proportional to 3,200.78, 4,797.93 and 1,250.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.78 : 4,797.93 = 1,250.30 : x
2. Step 2: Convert to fraction form
   3,200.78/4,797.93 = 1,250.30/x
3. Step 3: Cross multiply
   3,200.78x = 4,797.93 × 1,250.30
4. Step 4: Simplify right side
   3,200.78x = 5,998,851.88
5. Step 5: Solve for x
   x = 5,998,851.88/3,200.78
6. Step 6: Final answer
   x = 1,874.18