Finding the Fourth Proportional to 2,093.60, 3,140.88 and 1,724.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.60 : 3,140.88 = 1,724.00 : x
2. Step 2: Convert to fraction form
   2,093.60/3,140.88 = 1,724.00/x
3. Step 3: Cross multiply
   2,093.60x = 3,140.88 × 1,724.00
4. Step 4: Simplify right side
   2,093.60x = 5,414,861.42
5. Step 5: Solve for x
   x = 5,414,861.42/2,093.60
6. Step 6: Final answer
   x = 2,586.39