Finding the Fourth Proportional to 2,545.98, 3,817.71 and 902.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.98 : 3,817.71 = 902.28 : x
2. Step 2: Convert to fraction form
   2,545.98/3,817.71 = 902.28/x
3. Step 3: Cross multiply
   2,545.98x = 3,817.71 × 902.28
4. Step 4: Simplify right side
   2,545.98x = 3,444,643.38
5. Step 5: Solve for x
   x = 3,444,643.38/2,545.98
6. Step 6: Final answer
   x = 1,352.97