Finding the Fourth Proportional to 2,185.72, 3,014.18 and 1,660.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.72 : 3,014.18 = 1,660.84 : x
2. Step 2: Convert to fraction form
   2,185.72/3,014.18 = 1,660.84/x
3. Step 3: Cross multiply
   2,185.72x = 3,014.18 × 1,660.84
4. Step 4: Simplify right side
   2,185.72x = 5,006,070.71
5. Step 5: Solve for x
   x = 5,006,070.71/2,185.72
6. Step 6: Final answer
   x = 2,290.35