Finding the Fourth Proportional to 2,084.33, 3,128.56 and 1,739.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.33 : 3,128.56 = 1,739.88 : x
2. Step 2: Convert to fraction form
   2,084.33/3,128.56 = 1,739.88/x
3. Step 3: Cross multiply
   2,084.33x = 3,128.56 × 1,739.88
4. Step 4: Simplify right side
   2,084.33x = 5,443,314.62
5. Step 5: Solve for x
   x = 5,443,314.62/2,084.33
6. Step 6: Final answer
   x = 2,611.54