Finding the Fourth Proportional to 2,555.32, 3,833.69 and 912.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.32 : 3,833.69 = 912.03 : x
2. Step 2: Convert to fraction form
   2,555.32/3,833.69 = 912.03/x
3. Step 3: Cross multiply
   2,555.32x = 3,833.69 × 912.03
4. Step 4: Simplify right side
   2,555.32x = 3,496,440.29
5. Step 5: Solve for x
   x = 3,496,440.29/2,555.32
6. Step 6: Final answer
   x = 1,368.30