Finding the Fourth Proportional to 3,787.68, 5,671.86 and 3,169.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.68 : 5,671.86 = 3,169.82 : x
2. Step 2: Convert to fraction form
   3,787.68/5,671.86 = 3,169.82/x
3. Step 3: Cross multiply
   3,787.68x = 5,671.86 × 3,169.82
4. Step 4: Simplify right side
   3,787.68x = 17,978,775.27
5. Step 5: Solve for x
   x = 17,978,775.27/3,787.68
6. Step 6: Final answer
   x = 4,746.65