Finding the Fourth Proportional to 2,185.97, 3,276.35 and 1,259.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.97 : 3,276.35 = 1,259.61 : x
2. Step 2: Convert to fraction form
   2,185.97/3,276.35 = 1,259.61/x
3. Step 3: Cross multiply
   2,185.97x = 3,276.35 × 1,259.61
4. Step 4: Simplify right side
   2,185.97x = 4,126,923.22
5. Step 5: Solve for x
   x = 4,126,923.22/2,185.97
6. Step 6: Final answer
   x = 1,887.91