Finding the Fourth Proportional to 3,787.67, 5,672.69 and 3,656.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.67 : 5,672.69 = 3,656.27 : x
2. Step 2: Convert to fraction form
   3,787.67/5,672.69 = 3,656.27/x
3. Step 3: Cross multiply
   3,787.67x = 5,672.69 × 3,656.27
4. Step 4: Simplify right side
   3,787.67x = 20,740,862.94
5. Step 5: Solve for x
   x = 20,740,862.94/3,787.67
6. Step 6: Final answer
   x = 5,475.90