Finding the Fourth Proportional to 2,081.48, 2,871.54 and 1,253

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.48 : 2,871.54 = 1,253 : x
2. Step 2: Convert to fraction form
   2,081.48/2,871.54 = 1,253/x
3. Step 3: Cross multiply
   2,081.48x = 2,871.54 × 1,253
4. Step 4: Simplify right side
   2,081.48x = 3,598,039.62
5. Step 5: Solve for x
   x = 3,598,039.62/2,081.48
6. Step 6: Final answer
   x = 1,728.60