Finding the Fourth Proportional to 3,787.38, 5,687.55 and 3,022.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.38 : 5,687.55 = 3,022.74 : x
2. Step 2: Convert to fraction form
   3,787.38/5,687.55 = 3,022.74/x
3. Step 3: Cross multiply
   3,787.38x = 5,687.55 × 3,022.74
4. Step 4: Simplify right side
   3,787.38x = 17,191,984.89
5. Step 5: Solve for x
   x = 17,191,984.89/3,787.38
6. Step 6: Final answer
   x = 4,539.28