Finding the Fourth Proportional to 3,111.69, 4,668.95 and 1,164.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.69 : 4,668.95 = 1,164.05 : x
2. Step 2: Convert to fraction form
   3,111.69/4,668.95 = 1,164.05/x
3. Step 3: Cross multiply
   3,111.69x = 4,668.95 × 1,164.05
4. Step 4: Simplify right side
   3,111.69x = 5,434,891.25
5. Step 5: Solve for x
   x = 5,434,891.25/3,111.69
6. Step 6: Final answer
   x = 1,746.60