Finding the Fourth Proportional to 1,980.34, 2,732.78 and 1,096.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.34 : 2,732.78 = 1,096.08 : x
2. Step 2: Convert to fraction form
   1,980.34/2,732.78 = 1,096.08/x
3. Step 3: Cross multiply
   1,980.34x = 2,732.78 × 1,096.08
4. Step 4: Simplify right side
   1,980.34x = 2,995,345.50
5. Step 5: Solve for x
   x = 2,995,345.50/1,980.34
6. Step 6: Final answer
   x = 1,512.54