Finding the Fourth Proportional to 1,096.89, 1,512.85 and 654.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.89 : 1,512.85 = 654.70 : x
2. Step 2: Convert to fraction form
   1,096.89/1,512.85 = 654.70/x
3. Step 3: Cross multiply
   1,096.89x = 1,512.85 × 654.70
4. Step 4: Simplify right side
   1,096.89x = 990,462.90
5. Step 5: Solve for x
   x = 990,462.90/1,096.89
6. Step 6: Final answer
   x = 902.97