Finding the Fourth Proportional to 3,106.71, 4,660.37 and 1,158.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,106.71 : 4,660.37 = 1,158.45 : x
2. Step 2: Convert to fraction form
   3,106.71/4,660.37 = 1,158.45/x
3. Step 3: Cross multiply
   3,106.71x = 4,660.37 × 1,158.45
4. Step 4: Simplify right side
   3,106.71x = 5,398,799.83
5. Step 5: Solve for x
   x = 5,398,799.83/3,106.71
6. Step 6: Final answer
   x = 1,737.79