Finding the Fourth Proportional to 1,811.82, 2,500.31 and 983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.82 : 2,500.31 = 983.82 : x
2. Step 2: Convert to fraction form
   1,811.82/2,500.31 = 983.82/x
3. Step 3: Cross multiply
   1,811.82x = 2,500.31 × 983.82
4. Step 4: Simplify right side
   1,811.82x = 2,459,850.07
5. Step 5: Solve for x
   x = 2,459,850.07/1,811.82
6. Step 6: Final answer
   x = 1,357.67