Finding the Fourth Proportional to 1,096.81, 1,513.46 and 654.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.81 : 1,513.46 = 654.63 : x
2. Step 2: Convert to fraction form
   1,096.81/1,513.46 = 654.63/x
3. Step 3: Cross multiply
   1,096.81x = 1,513.46 × 654.63
4. Step 4: Simplify right side
   1,096.81x = 990,756.32
5. Step 5: Solve for x
   x = 990,756.32/1,096.81
6. Step 6: Final answer
   x = 903.31