Finding the Fourth Proportional to 2,084.27, 3,128.49 and 1,739.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.27 : 3,128.49 = 1,739.88 : x
2. Step 2: Convert to fraction form
   2,084.27/3,128.49 = 1,739.88/x
3. Step 3: Cross multiply
   2,084.27x = 3,128.49 × 1,739.88
4. Step 4: Simplify right side
   2,084.27x = 5,443,197.18
5. Step 5: Solve for x
   x = 5,443,197.18/2,084.27
6. Step 6: Final answer
   x = 2,611.57