Finding the Fourth Proportional to 2,743.17, 4,085.36 and 2,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.17 : 4,085.36 = 2,575.50 : x
2. Step 2: Convert to fraction form
   2,743.17/4,085.36 = 2,575.50/x
3. Step 3: Cross multiply
   2,743.17x = 4,085.36 × 2,575.50
4. Step 4: Simplify right side
   2,743.17x = 10,521,831.80
5. Step 5: Solve for x
   x = 10,521,831.80/2,743.17
6. Step 6: Final answer
   x = 3,835.65