Finding the Fourth Proportional to 1,983.54, 2,736.04 and 1,276.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.54 : 2,736.04 = 1,276.30 : x
2. Step 2: Convert to fraction form
   1,983.54/2,736.04 = 1,276.30/x
3. Step 3: Cross multiply
   1,983.54x = 2,736.04 × 1,276.30
4. Step 4: Simplify right side
   1,983.54x = 3,492,016.12
5. Step 5: Solve for x
   x = 3,492,016.12/1,983.54
6. Step 6: Final answer
   x = 1,760.50