Finding the Fourth Proportional to 1,980.72, 2,733.36 and 1,096.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.72 : 2,733.36 = 1,096.62 : x
2. Step 2: Convert to fraction form
   1,980.72/2,733.36 = 1,096.62/x
3. Step 3: Cross multiply
   1,980.72x = 2,733.36 × 1,096.62
4. Step 4: Simplify right side
   1,980.72x = 2,997,457.24
5. Step 5: Solve for x
   x = 2,997,457.24/1,980.72
6. Step 6: Final answer
   x = 1,513.32