Finding the Fourth Proportional to 2,365.88, 3,545.61 and 904.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.88 : 3,545.61 = 904.23 : x
2. Step 2: Convert to fraction form
   2,365.88/3,545.61 = 904.23/x
3. Step 3: Cross multiply
   2,365.88x = 3,545.61 × 904.23
4. Step 4: Simplify right side
   2,365.88x = 3,206,042.41
5. Step 5: Solve for x
   x = 3,206,042.41/2,365.88
6. Step 6: Final answer
   x = 1,355.12