Finding the Fourth Proportional to 2,185.18, 3,276.07 and 1,088.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.18 : 3,276.07 = 1,088.69 : x
2. Step 2: Convert to fraction form
   2,185.18/3,276.07 = 1,088.69/x
3. Step 3: Cross multiply
   2,185.18x = 3,276.07 × 1,088.69
4. Step 4: Simplify right side
   2,185.18x = 3,566,605.55
5. Step 5: Solve for x
   x = 3,566,605.55/2,185.18
6. Step 6: Final answer
   x = 1,632.18