Finding the Fourth Proportional to 1,980.91, 2,733.62 and 1,096.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.91 : 2,733.62 = 1,096.71 : x
2. Step 2: Convert to fraction form
   1,980.91/2,733.62 = 1,096.71/x
3. Step 3: Cross multiply
   1,980.91x = 2,733.62 × 1,096.71
4. Step 4: Simplify right side
   1,980.91x = 2,997,988.39
5. Step 5: Solve for x
   x = 2,997,988.39/1,980.91
6. Step 6: Final answer
   x = 1,513.44