Finding the Fourth Proportional to 3,112.51, 4,668.86 and 1,164.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.51 : 4,668.86 = 1,164.34 : x
2. Step 2: Convert to fraction form
   3,112.51/4,668.86 = 1,164.34/x
3. Step 3: Cross multiply
   3,112.51x = 4,668.86 × 1,164.34
4. Step 4: Simplify right side
   3,112.51x = 5,436,140.45
5. Step 5: Solve for x
   x = 5,436,140.45/3,112.51
6. Step 6: Final answer
   x = 1,746.55