Finding the Fourth Proportional to 3,106.51, 4,659.81 and 1,158.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,106.51 : 4,659.81 = 1,158.31 : x
2. Step 2: Convert to fraction form
   3,106.51/4,659.81 = 1,158.31/x
3. Step 3: Cross multiply
   3,106.51x = 4,659.81 × 1,158.31
4. Step 4: Simplify right side
   3,106.51x = 5,397,504.52
5. Step 5: Solve for x
   x = 5,397,504.52/3,106.51
6. Step 6: Final answer
   x = 1,737.48