Finding the Fourth Proportional to 1,367.91, 2,048.31 and 904.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.91 : 2,048.31 = 904.27 : x
2. Step 2: Convert to fraction form
   1,367.91/2,048.31 = 904.27/x
3. Step 3: Cross multiply
   1,367.91x = 2,048.31 × 904.27
4. Step 4: Simplify right side
   1,367.91x = 1,852,225.28
5. Step 5: Solve for x
   x = 1,852,225.28/1,367.91
6. Step 6: Final answer
   x = 1,354.05