Finding the Fourth Proportional to 1,980.67, 2,733.35 and 1,096.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.67 : 2,733.35 = 1,096.47 : x
2. Step 2: Convert to fraction form
   1,980.67/2,733.35 = 1,096.47/x
3. Step 3: Cross multiply
   1,980.67x = 2,733.35 × 1,096.47
4. Step 4: Simplify right side
   1,980.67x = 2,997,045.85
5. Step 5: Solve for x
   x = 2,997,045.85/1,980.67
6. Step 6: Final answer
   x = 1,513.15