Finding the Fourth Proportional to 1,980.85, 2,733.62 and 1,096.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.85 : 2,733.62 = 1,096.69 : x
2. Step 2: Convert to fraction form
   1,980.85/2,733.62 = 1,096.69/x
3. Step 3: Cross multiply
   1,980.85x = 2,733.62 × 1,096.69
4. Step 4: Simplify right side
   1,980.85x = 2,997,933.72
5. Step 5: Solve for x
   x = 2,997,933.72/1,980.85
6. Step 6: Final answer
   x = 1,513.46