Finding the Fourth Proportional to 2,545.17, 3,817.04 and 900.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.17 : 3,817.04 = 900.83 : x
2. Step 2: Convert to fraction form
   2,545.17/3,817.04 = 900.83/x
3. Step 3: Cross multiply
   2,545.17x = 3,817.04 × 900.83
4. Step 4: Simplify right side
   2,545.17x = 3,438,480.55
5. Step 5: Solve for x
   x = 3,438,480.55/2,545.17
6. Step 6: Final answer
   x = 1,350.98