Finding the Fourth Proportional to 2,554.32, 3,832.19 and 911.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.32 : 3,832.19 = 911.03 : x
2. Step 2: Convert to fraction form
   2,554.32/3,832.19 = 911.03/x
3. Step 3: Cross multiply
   2,554.32x = 3,832.19 × 911.03
4. Step 4: Simplify right side
   2,554.32x = 3,491,216.34
5. Step 5: Solve for x
   x = 3,491,216.34/2,554.32
6. Step 6: Final answer
   x = 1,366.79