Finding the Fourth Proportional to 2,301.04, 3,453.31 and 1,686.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.04 : 3,453.31 = 1,686.35 : x
2. Step 2: Convert to fraction form
   2,301.04/3,453.31 = 1,686.35/x
3. Step 3: Cross multiply
   2,301.04x = 3,453.31 × 1,686.35
4. Step 4: Simplify right side
   2,301.04x = 5,823,500.06
5. Step 5: Solve for x
   x = 5,823,500.06/2,301.04
6. Step 6: Final answer
   x = 2,530.81