Finding the Fourth Proportional to 1,686.71, 2,326.52 and 1,465.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.71 : 2,326.52 = 1,465.28 : x
2. Step 2: Convert to fraction form
   1,686.71/2,326.52 = 1,465.28/x
3. Step 3: Cross multiply
   1,686.71x = 2,326.52 × 1,465.28
4. Step 4: Simplify right side
   1,686.71x = 3,408,984.27
5. Step 5: Solve for x
   x = 3,408,984.27/1,686.71
6. Step 6: Final answer
   x = 2,021.09