Finding the Fourth Proportional to 3,671.94, 5,074.56 and 3,007.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.94 : 5,074.56 = 3,007.74 : x
2. Step 2: Convert to fraction form
   3,671.94/5,074.56 = 3,007.74/x
3. Step 3: Cross multiply
   3,671.94x = 5,074.56 × 3,007.74
4. Step 4: Simplify right side
   3,671.94x = 15,262,957.09
5. Step 5: Solve for x
   x = 15,262,957.09/3,671.94
6. Step 6: Final answer
   x = 4,156.65