Finding the Fourth Proportional to 2,554.94, 3,832.71 and 911.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.94 : 3,832.71 = 911.65 : x
2. Step 2: Convert to fraction form
   2,554.94/3,832.71 = 911.65/x
3. Step 3: Cross multiply
   2,554.94x = 3,832.71 × 911.65
4. Step 4: Simplify right side
   2,554.94x = 3,494,090.07
5. Step 5: Solve for x
   x = 3,494,090.07/2,554.94
6. Step 6: Final answer
   x = 1,367.58