Finding the Fourth Proportional to 1,096.21, 1,513.03 and 654.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.21 : 1,513.03 = 654.39 : x
2. Step 2: Convert to fraction form
   1,096.21/1,513.03 = 654.39/x
3. Step 3: Cross multiply
   1,096.21x = 1,513.03 × 654.39
4. Step 4: Simplify right side
   1,096.21x = 990,111.70
5. Step 5: Solve for x
   x = 990,111.70/1,096.21
6. Step 6: Final answer
   x = 903.21