Finding the Fourth Proportional to 3,456.66, 5,185.17 and 1,148.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.66 : 5,185.17 = 1,148.34 : x
2. Step 2: Convert to fraction form
   3,456.66/5,185.17 = 1,148.34/x
3. Step 3: Cross multiply
   3,456.66x = 5,185.17 × 1,148.34
4. Step 4: Simplify right side
   3,456.66x = 5,954,338.12
5. Step 5: Solve for x
   x = 5,954,338.12/3,456.66
6. Step 6: Final answer
   x = 1,722.57