Finding the Fourth Proportional to 3,956.79, 5,458.37 and 3,675.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956.79 : 5,458.37 = 3,675.38 : x
2. Step 2: Convert to fraction form
   3,956.79/5,458.37 = 3,675.38/x
3. Step 3: Cross multiply
   3,956.79x = 5,458.37 × 3,675.38
4. Step 4: Simplify right side
   3,956.79x = 20,061,579.20
5. Step 5: Solve for x
   x = 20,061,579.20/3,956.79
6. Step 6: Final answer
   x = 5,070.17