Finding the Fourth Proportional to 3,111.19, 4,668.23 and 1,164.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.19 : 4,668.23 = 1,164.76 : x
2. Step 2: Convert to fraction form
   3,111.19/4,668.23 = 1,164.76/x
3. Step 3: Cross multiply
   3,111.19x = 4,668.23 × 1,164.76
4. Step 4: Simplify right side
   3,111.19x = 5,437,358.82
5. Step 5: Solve for x
   x = 5,437,358.82/3,111.19
6. Step 6: Final answer
   x = 1,747.68