Finding the Fourth Proportional to 2,185.34, 3,275.91 and 723.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.34 : 3,275.91 = 723.69 : x
2. Step 2: Convert to fraction form
   2,185.34/3,275.91 = 723.69/x
3. Step 3: Cross multiply
   2,185.34x = 3,275.91 × 723.69
4. Step 4: Simplify right side
   2,185.34x = 2,370,743.31
5. Step 5: Solve for x
   x = 2,370,743.31/2,185.34
6. Step 6: Final answer
   x = 1,084.84