Finding the Fourth Proportional to 3,106.05, 4,659.49 and 1,131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,106.05 : 4,659.49 = 1,131.42 : x
2. Step 2: Convert to fraction form
   3,106.05/4,659.49 = 1,131.42/x
3. Step 3: Cross multiply
   3,106.05x = 4,659.49 × 1,131.42
4. Step 4: Simplify right side
   3,106.05x = 5,271,811.22
5. Step 5: Solve for x
   x = 5,271,811.22/3,106.05
6. Step 6: Final answer
   x = 1,697.27