Finding the Fourth Proportional to 2,185.41, 3,275.28 and 886.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.41 : 3,275.28 = 886.17 : x
2. Step 2: Convert to fraction form
   2,185.41/3,275.28 = 886.17/x
3. Step 3: Cross multiply
   2,185.41x = 3,275.28 × 886.17
4. Step 4: Simplify right side
   2,185.41x = 2,902,454.88
5. Step 5: Solve for x
   x = 2,902,454.88/2,185.41
6. Step 6: Final answer
   x = 1,328.11