Finding the Fourth Proportional to 2,555.32, 3,832.02 and 911.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.32 : 3,832.02 = 911.42 : x
2. Step 2: Convert to fraction form
   2,555.32/3,832.02 = 911.42/x
3. Step 3: Cross multiply
   2,555.32x = 3,832.02 × 911.42
4. Step 4: Simplify right side
   2,555.32x = 3,492,579.67
5. Step 5: Solve for x
   x = 3,492,579.67/2,555.32
6. Step 6: Final answer
   x = 1,366.79