Finding the Fourth Proportional to 3,955.78, 5,891.81 and 3,747.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,955.78 : 5,891.81 = 3,747.58 : x
2. Step 2: Convert to fraction form
   3,955.78/5,891.81 = 3,747.58/x
3. Step 3: Cross multiply
   3,955.78x = 5,891.81 × 3,747.58
4. Step 4: Simplify right side
   3,955.78x = 22,080,029.32
5. Step 5: Solve for x
   x = 22,080,029.32/3,955.78
6. Step 6: Final answer
   x = 5,581.71