Finding the Fourth Proportional to 1,980.59, 2,733.20 and 1,096.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.59 : 2,733.20 = 1,096.45 : x
2. Step 2: Convert to fraction form
   1,980.59/2,733.20 = 1,096.45/x
3. Step 3: Cross multiply
   1,980.59x = 2,733.20 × 1,096.45
4. Step 4: Simplify right side
   1,980.59x = 2,996,813.05
5. Step 5: Solve for x
   x = 2,996,813.05/1,980.59
6. Step 6: Final answer
   x = 1,513.09