Finding the Fourth Proportional to 3,747.78, 5,619.33 and 1,799.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.78 : 5,619.33 = 1,799.58 : x
2. Step 2: Convert to fraction form
   3,747.78/5,619.33 = 1,799.58/x
3. Step 3: Cross multiply
   3,747.78x = 5,619.33 × 1,799.58
4. Step 4: Simplify right side
   3,747.78x = 10,112,433.88
5. Step 5: Solve for x
   x = 10,112,433.88/3,747.78
6. Step 6: Final answer
   x = 2,698.25