Finding the Fourth Proportional to 1,367.31, 2,047.49 and 903.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.31 : 2,047.49 = 903.69 : x
2. Step 2: Convert to fraction form
   1,367.31/2,047.49 = 903.69/x
3. Step 3: Cross multiply
   1,367.31x = 2,047.49 × 903.69
4. Step 4: Simplify right side
   1,367.31x = 1,850,291.72
5. Step 5: Solve for x
   x = 1,850,291.72/1,367.31
6. Step 6: Final answer
   x = 1,353.23