Finding the Fourth Proportional to 2,543.77, 3,815.42 and 982.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.77 : 3,815.42 = 982.83 : x
2. Step 2: Convert to fraction form
   2,543.77/3,815.42 = 982.83/x
3. Step 3: Cross multiply
   2,543.77x = 3,815.42 × 982.83
4. Step 4: Simplify right side
   2,543.77x = 3,749,904.32
5. Step 5: Solve for x
   x = 3,749,904.32/2,543.77
6. Step 6: Final answer
   x = 1,474.15