Finding the Fourth Proportional to 3,403.30, 5,104.76 and 904.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,403.30 : 5,104.76 = 904.42 : x
2. Step 2: Convert to fraction form
   3,403.30/5,104.76 = 904.42/x
3. Step 3: Cross multiply
   3,403.30x = 5,104.76 × 904.42
4. Step 4: Simplify right side
   3,403.30x = 4,616,847.04
5. Step 5: Solve for x
   x = 4,616,847.04/3,403.30
6. Step 6: Final answer
   x = 1,356.58