Finding the Fourth Proportional to 2,185.32, 3,276.77 and 1,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.32 : 3,276.77 = 1,145.82 : x
2. Step 2: Convert to fraction form
   2,185.32/3,276.77 = 1,145.82/x
3. Step 3: Cross multiply
   2,185.32x = 3,276.77 × 1,145.82
4. Step 4: Simplify right side
   2,185.32x = 3,754,582.87
5. Step 5: Solve for x
   x = 3,754,582.87/2,185.32
6. Step 6: Final answer
   x = 1,718.09