Finding the Fourth Proportional to 2,554.08, 3,831.18 and 822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.08 : 3,831.18 = 822.72 : x
2. Step 2: Convert to fraction form
   2,554.08/3,831.18 = 822.72/x
3. Step 3: Cross multiply
   2,554.08x = 3,831.18 × 822.72
4. Step 4: Simplify right side
   2,554.08x = 3,151,988.41
5. Step 5: Solve for x
   x = 3,151,988.41/2,554.08
6. Step 6: Final answer
   x = 1,234.10