Finding the Fourth Proportional to 2,185.18, 3,274.46 and 1,775.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.18 : 3,274.46 = 1,775.12 : x
2. Step 2: Convert to fraction form
   2,185.18/3,274.46 = 1,775.12/x
3. Step 3: Cross multiply
   2,185.18x = 3,274.46 × 1,775.12
4. Step 4: Simplify right side
   2,185.18x = 5,812,540.84
5. Step 5: Solve for x
   x = 5,812,540.84/2,185.18
6. Step 6: Final answer
   x = 2,659.99