Finding the Fourth Proportional to 2,185.60, 3,273.54 and 1,694.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.60 : 3,273.54 = 1,694.80 : x
2. Step 2: Convert to fraction form
   2,185.60/3,273.54 = 1,694.80/x
3. Step 3: Cross multiply
   2,185.60x = 3,273.54 × 1,694.80
4. Step 4: Simplify right side
   2,185.60x = 5,547,995.59
5. Step 5: Solve for x
   x = 5,547,995.59/2,185.60
6. Step 6: Final answer
   x = 2,538.43