Finding the Fourth Proportional to 2,740.92, 4,111.42 and 986.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.92 : 4,111.42 = 986.03 : x
2. Step 2: Convert to fraction form
   2,740.92/4,111.42 = 986.03/x
3. Step 3: Cross multiply
   2,740.92x = 4,111.42 × 986.03
4. Step 4: Simplify right side
   2,740.92x = 4,053,983.46
5. Step 5: Solve for x
   x = 4,053,983.46/2,740.92
6. Step 6: Final answer
   x = 1,479.06