Finding the Fourth Proportional to 3,707.25, 5,086.76 and 3,672.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.25 : 5,086.76 = 3,672.42 : x
2. Step 2: Convert to fraction form
   3,707.25/5,086.76 = 3,672.42/x
3. Step 3: Cross multiply
   3,707.25x = 5,086.76 × 3,672.42
4. Step 4: Simplify right side
   3,707.25x = 18,680,719.16
5. Step 5: Solve for x
   x = 18,680,719.16/3,707.25
6. Step 6: Final answer
   x = 5,038.97