Finding the Fourth Proportional to 3,106.79, 4,662.01 and 1,159.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,106.79 : 4,662.01 = 1,159.15 : x
2. Step 2: Convert to fraction form
   3,106.79/4,662.01 = 1,159.15/x
3. Step 3: Cross multiply
   3,106.79x = 4,662.01 × 1,159.15
4. Step 4: Simplify right side
   3,106.79x = 5,403,958.69
5. Step 5: Solve for x
   x = 5,403,958.69/3,106.79
6. Step 6: Final answer
   x = 1,739.40