Finding the Fourth Proportional to 1,686.01, 2,323.17 and 1,569.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.01 : 2,323.17 = 1,569.22 : x
2. Step 2: Convert to fraction form
   1,686.01/2,323.17 = 1,569.22/x
3. Step 3: Cross multiply
   1,686.01x = 2,323.17 × 1,569.22
4. Step 4: Simplify right side
   1,686.01x = 3,645,564.83
5. Step 5: Solve for x
   x = 3,645,564.83/1,686.01
6. Step 6: Final answer
   x = 2,162.24