Finding the Fourth Proportional to 2,473.47, 3,409.56 and 1,686.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.47 : 3,409.56 = 1,686.15 : x
2. Step 2: Convert to fraction form
   2,473.47/3,409.56 = 1,686.15/x
3. Step 3: Cross multiply
   2,473.47x = 3,409.56 × 1,686.15
4. Step 4: Simplify right side
   2,473.47x = 5,749,029.59
5. Step 5: Solve for x
   x = 5,749,029.59/2,473.47
6. Step 6: Final answer
   x = 2,324.28