Finding the Fourth Proportional to 2,092.10, 3,134.55 and 1,724.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.10 : 3,134.55 = 1,724.90 : x
2. Step 2: Convert to fraction form
   2,092.10/3,134.55 = 1,724.90/x
3. Step 3: Cross multiply
   2,092.10x = 3,134.55 × 1,724.90
4. Step 4: Simplify right side
   2,092.10x = 5,406,785.30
5. Step 5: Solve for x
   x = 5,406,785.30/2,092.10
6. Step 6: Final answer
   x = 2,584.38