Finding the Fourth Proportional to 1,096.61, 1,513.35 and 654.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.61 : 1,513.35 = 654.35 : x
2. Step 2: Convert to fraction form
   1,096.61/1,513.35 = 654.35/x
3. Step 3: Cross multiply
   1,096.61x = 1,513.35 × 654.35
4. Step 4: Simplify right side
   1,096.61x = 990,253.01
5. Step 5: Solve for x
   x = 990,253.01/1,096.61
6. Step 6: Final answer
   x = 903.02