Finding the Fourth Proportional to 1,096.80, 1,513.33 and 654.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.80 : 1,513.33 = 654.85 : x
2. Step 2: Convert to fraction form
   1,096.80/1,513.33 = 654.85/x
3. Step 3: Cross multiply
   1,096.80x = 1,513.33 × 654.85
4. Step 4: Simplify right side
   1,096.80x = 991,004.15
5. Step 5: Solve for x
   x = 991,004.15/1,096.80
6. Step 6: Final answer
   x = 903.54