Finding the Fourth Proportional to 3,735.48, 5,622.69 and 3,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,735.48 : 5,622.69 = 3,171.72 : x
2. Step 2: Convert to fraction form
   3,735.48/5,622.69 = 3,171.72/x
3. Step 3: Cross multiply
   3,735.48x = 5,622.69 × 3,171.72
4. Step 4: Simplify right side
   3,735.48x = 17,833,598.33
5. Step 5: Solve for x
   x = 17,833,598.33/3,735.48
6. Step 6: Final answer
   x = 4,774.11