Finding the Fourth Proportional to 1,783.52, 2,461.22 and 986.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.52 : 2,461.22 = 986.83 : x
2. Step 2: Convert to fraction form
   1,783.52/2,461.22 = 986.83/x
3. Step 3: Cross multiply
   1,783.52x = 2,461.22 × 986.83
4. Step 4: Simplify right side
   1,783.52x = 2,428,788.49
5. Step 5: Solve for x
   x = 2,428,788.49/1,783.52
6. Step 6: Final answer
   x = 1,361.79