Finding the Fourth Proportional to 3,369.20, 5,054.27 and 904.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.20 : 5,054.27 = 904.10 : x
2. Step 2: Convert to fraction form
   3,369.20/5,054.27 = 904.10/x
3. Step 3: Cross multiply
   3,369.20x = 5,054.27 × 904.10
4. Step 4: Simplify right side
   3,369.20x = 4,569,535.72
5. Step 5: Solve for x
   x = 4,569,535.72/3,369.20
6. Step 6: Final answer
   x = 1,356.27