Finding the Fourth Proportional to 1,096.28, 1,513.32 and 816.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.28 : 1,513.32 = 816.02 : x
2. Step 2: Convert to fraction form
   1,096.28/1,513.32 = 816.02/x
3. Step 3: Cross multiply
   1,096.28x = 1,513.32 × 816.02
4. Step 4: Simplify right side
   1,096.28x = 1,234,899.39
5. Step 5: Solve for x
   x = 1,234,899.39/1,096.28
6. Step 6: Final answer
   x = 1,126.45