Finding the Fourth Proportional to 2,554.96, 3,831.52 and 888.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.96 : 3,831.52 = 888.65 : x
2. Step 2: Convert to fraction form
   2,554.96/3,831.52 = 888.65/x
3. Step 3: Cross multiply
   2,554.96x = 3,831.52 × 888.65
4. Step 4: Simplify right side
   2,554.96x = 3,404,880.25
5. Step 5: Solve for x
   x = 3,404,880.25/2,554.96
6. Step 6: Final answer
   x = 1,332.66