Finding the Fourth Proportional to 2,300.86, 3,453.03 and 1,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.86 : 3,453.03 = 1,686.16 : x
2. Step 2: Convert to fraction form
   2,300.86/3,453.03 = 1,686.16/x
3. Step 3: Cross multiply
   2,300.86x = 3,453.03 × 1,686.16
4. Step 4: Simplify right side
   2,300.86x = 5,822,361.06
5. Step 5: Solve for x
   x = 5,822,361.06/2,300.86
6. Step 6: Final answer
   x = 2,530.52