Finding the Fourth Proportional to 1,611.82, 2,223.86 and 982.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611.82 : 2,223.86 = 982.38 : x
2. Step 2: Convert to fraction form
   1,611.82/2,223.86 = 982.38/x
3. Step 3: Cross multiply
   1,611.82x = 2,223.86 × 982.38
4. Step 4: Simplify right side
   1,611.82x = 2,184,675.59
5. Step 5: Solve for x
   x = 2,184,675.59/1,611.82
6. Step 6: Final answer
   x = 1,355.41