Finding the Fourth Proportional to 2,659.47, 3,990.57 and 2,014.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.47 : 3,990.57 = 2,014.17 : x
2. Step 2: Convert to fraction form
   2,659.47/3,990.57 = 2,014.17/x
3. Step 3: Cross multiply
   2,659.47x = 3,990.57 × 2,014.17
4. Step 4: Simplify right side
   2,659.47x = 8,037,686.38
5. Step 5: Solve for x
   x = 8,037,686.38/2,659.47
6. Step 6: Final answer
   x = 3,022.29