Finding the Fourth Proportional to 3,787.62, 5,671.83 and 3,169.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.62 : 5,671.83 = 3,169.79 : x
2. Step 2: Convert to fraction form
   3,787.62/5,671.83 = 3,169.79/x
3. Step 3: Cross multiply
   3,787.62x = 5,671.83 × 3,169.79
4. Step 4: Simplify right side
   3,787.62x = 17,978,510.02
5. Step 5: Solve for x
   x = 17,978,510.02/3,787.62
6. Step 6: Final answer
   x = 4,746.65